ALG 2! plz help urgent!!

1.)Four times a certain number is the same as the number increased by 78. Find the number.

2.)A blue bike is \$14 less than a red bike. The sum of their prices is \$300. How much is the red bike?

3.)Alex is six years older than his sister, Emma. The sum of their ages is 32. How old is Alex?

4.)Mrs. Computer is 3 times older than her daughter, Mousy. The sum of their ages is 52. How old is Mousy?

5.)Mike is 5 years more than twice as old as Tom. The sum of their ages is 65. How old is Mike?

1. 👍 0
2. 👎 0
3. 👁 118
1. 1)
4n = n + 78
3n = 78
n = 78/3
n = 26

I'll be glad to check your answers for the other problems.

1. 👍 0
2. 👎 0

Similar Questions

1. Math

1. The sum of a number and 2 is 6 less than twice that number. 2. A rectangular garden has a width that is 8 feet less than twice the length. Find the dimensions if the perimeter is 20 feet. 3. Complementary angles sum up to equal

asked by Naim on March 26, 2019
2. math

write each expression using n as your variable.then simplify fully. 1.five more than the sum of a number and ten. 2.the product of eight and seven less than a number. 3.the quotient of a number and three, increased by one. 4.ten

asked by bre on August 26, 2015
3. Math correction

(1)Translate the following statement into an algebraic equation. Lex x represent the number. 12 less than 5 times a number is 18 my answer: 5x - 12 = 18 (#2) 4 times a number, increased by 9, is 17. Find the number. My answer: 4x

asked by jasmine20 on January 11, 2007
4. math

Please check 6 more than a number n 6(n)+9 A number m multiplied by 7 7xm 9 less than a number w 9-w The sum of a number a and 9 9+a A number k minus 7 K-7 5 times a number h,plus 12 5*h + 12 5 increased by a number g 5+g

asked by marybeth on February 19, 2015
5. algebra

three times a first number decreased by a second number is 25. the first number increased by four times the second number is -22. find the numbers

asked by Anonymous on December 4, 2011
6. Math

when the square of a number is increased by 10, the result is seven times the original number. find the number

asked by Lily on March 6, 2016
7. Math

Four times a number, diminished by 6, yields the same result as twice the same number increased by 4. Find the number.

asked by Jennifer on March 30, 2014
8. Math

Write an algebraic equation for each of the following sentences. _____________ 12) One-third of a number is thirty-five. _____________ 14) Two times the sum of a number and five is twenty six. _____________ 16) The quotient of a

asked by Barry Vacker on January 24, 2019
9. Algebriac Expressions

2 less than 7 times a number = 2) Sarah's age decreased by 2 = 3) One third as many books = 4) Earns \$13 per hour = 5) 4 years younger than Marcus 6) 2 times a number, decreased by 4 7) 9 less than the product of 15 and a number

asked by Joetta on October 27, 2015
10. ALGEBRA 1

1. The sum of a number and 2 is 6 less than twice that number. 2. A rectangular garden has a width that is 8 feet less than twice the length. Find the dimensions if the perimeter is 20 feet. 3. Complementary angles sum up to equal

asked by Jallai on March 20, 2019
11. Math

Twice the square of a positive number increased by three times the number is 14. Find the number.

asked by Ed on May 12, 2015

More Similar Questions