math

To solve for the following proportion, you could use equivalent ratios, divide out the known ratio, or use cross products. Choose one of these methods to solve for t. Show your work and explain why you chose that method.
18/5 = 4/t

  1. 👍 0
  2. 👎 0
  3. 👁 167
  1. I learned the cross-multiply method over 60 years ago. I can apply it to many types of problems.

    18/5 = 4/t
    18t = 20
    t = 20/18 = 1 2/18 = 1 1/9

Respond to this Question

First Name

Your Response

Similar Questions

  1. math

    The ratio of cups of water to cups of milk in a recipe is 1 to 3. Write three ratios equivalent to the ratio?

    asked by jordon on November 30, 2014
  2. Math

    Which ratios form a proportion? a. 4/9, 12/25 b. 3/7, 18/42 c. 5/11, 20/45 d. 5/8, 15/25 Which ratio forms a proportion with 18/30? a. 20/35 b. 50/90 c. 36/48 d. 60/100 Which proportion has cross products of 5 x 24 and 8 x 15? a.

    asked by itsssjustme.ee on November 16, 2017
  3. 7th grade math Ms.Sue please!

    Use cross products to see if each pair of ratios forms a proportion. Replace each box with = or ≠. 1. 7/5 ? 15/10 = ≠ 2. 6/8 ? 15/20 = ≠ Solve each problem. 3. 2/3 = 1.2/x x = 18 x = 1.8 x = 0.2 x = 10 4. 4/5 equals 8/x plus

    asked by Delilah on October 26, 2012
  4. Math I need help ASAP! I'm getting timed

    Which ratios form a proportion? 1. 4/12 , 6/8 2. 16/12 , 3/4* 3. 3/2 , 15/14 4. 10/16 , 5/8 Which ratio forms a proportion with 9/15? 1. 6/10 2. 16/21 3. 36/50 4. 45/70 A textbook weighs 2.5 pounds. How many kilograms does the

    asked by Lelo on November 24, 2014
  1. MATH HELP

    1. Which ratios form a proportion? Use equivalent ratios to test each pair. A. 4/9, 2/3 B. 6/15, 9/12 C. 12/16, 15/20 D. 18/ 20, 24/30 2. Which ratio forms a proportion with 20/30? Use equivalent ratios to test each ratio. A.

    asked by goldensparklegirl222 on November 24, 2015
  2. MATH CHECK ANSWERS

    CHECK THESE MATH ANSWERS PLEASE 1. There are 18 boys and 12 girls in a math class.what is the ratio of girls to total students? A.18:30 B.12:30(I PICK THIS) C.30:12 D.30:18 2.which of the following ratios are equivalent to 6:9?

    asked by zoey on January 27, 2014
  3. Math

    Write a ratio for the situation in three ways, comparing the first quantity to the second quantity. A zoo has 19 monkeys and 10 chimpanzees. 19 to 10, 19:10, (This) 10 to 29, 10:29, 19 to 29, 19:29, 10 to 19, 10:19, Write three

    asked by A on January 10, 2013
  4. MATH

    1. which ratios form a proportion a. 3/15 , 12/55 b. 8/24 , 12/35 c. 5/18 , 25/90 d. 4/11 , 16/25 4. solve the proportion using number sense: 2/8 = x/48 a. 6 b. 12 c. 16 d. 8 5. Solve the proportion using cross products. 18/20 =

    asked by Tordy on December 8, 2017
  1. ratio

    given the proportion a/b=5/19, what ratio completes the equivalent proportion a/5= / ? a. a/19 b. b/19 c. 5/19 d. 19/b

    asked by heather on March 19, 2014
  2. Math

    1: select all the pairs of ratios form a proportion. (2 points) A: 1/6, 4/20 B: 7/9, 28/36*** C: 14/19, 21/27 D: 30/80, 6/18 2: Which pair of ratios does NOT form a proportion? (1 point) A: 3/5, 24/40 B: 30/10, 15/5**** C: 9/14,

    asked by AngelDabSwag on May 8, 2018
  3. geometry

    Can someone explain how you get the answer b/15. Given the proportion a/b=8/15, what ratio completes the equivalent proportion a/8=?/?. I'm not sure if there is an equation or step you use to get the answer.

    asked by Brandon on January 24, 2012
  4. Math

    1. There are 18 boys and 12 girls in a math class.what is the ratio of girls to total students? A.18:30 B.(12:30) C.30:12 D.30:18 2.which of the following ratios are equivalent to 6:9? Choose all that apply. A.3:2 B.18/27

    asked by Help I need somebody not just anybody on February 6, 2017

You can view more similar questions or ask a new question.