Friday

August 22, 2014

August 22, 2014

Posted by **rian** on Wednesday, November 13, 2013 at 7:03pm.

- ratio/proportions -
**Ms. Sue**, Wednesday, November 13, 2013 at 7:10pm4/170 = 5/x

Cross multiply and solve for x.

- ratio/proportions -
**rian**, Wednesday, November 13, 2013 at 7:14pmI got 850/x and 4 /x what do I do next to get the answer

- ratio/proportions -
**Ms. Sue**, Wednesday, November 13, 2013 at 7:18pmWhen we cross multiply, we multiply the first and last terms together. Then we multiply the two middle terms together.

4/170 = 5/x

4x = 850

Divide both sides by 4

x = 212.5 years

It'll take 212.5 years for 5 cm of silt to be deposited.

- ratio/proportions -
**rian**, Wednesday, November 13, 2013 at 7:30pmthx u

- ratio/proportions -
**Ms. Sue**, Wednesday, November 13, 2013 at 7:34pmYou're welcome.

**Related Questions**

NEED HELP! CHEMISTRY - Three electrolytic cells containing solutions of CuNO3, ...

8th grade Algebra I (junior level math) - Hello, I am currently in Unit 4-1 (...

Earth Science - Which particles can wind move most easily? Sand, silt, pebbles, ...

Math 8 - HELP!!!!! - Ratio, Proportions, and Similarity Similar Figures A room ...

Ratio and Proportions - If a person cross-country ski for 15 minutes, how many ...

science - Q1: What rock comes before quartzite in the rock cycle? What rocks or ...

science 6th grade - Q1: What rock comes before quartzite in the rock cycle? What...

proportions - In Spanish class, the girl to boy ratio is 6 to 4. If there are a ...

Law of Multiple Proportions - Two elements, R and Q, combine to form two binary ...

geometry-finding ratio - Ratio of the heights of two similar cones is 7/9 what ...