Register

If y varies directlt with x, and y=12 when x=15, what is the value of x when y=16

If y varies directlt with x, and y=12 when x=15, what is the value of x when y=16
8.0k views
1 vote
If y varies directlt with x, and y=12 when x=15, what is the value of x when y=16

User Guish
by
7.9k points

1 Answer

3 votes
y=kx
12=15k
12/15=k
12/15=0.8
16=0.8x
16/0.8=x
16/0.8=20
to check 20*0.8=16
User Chicken Burger
by
8.3k points
← Prev Question Next Question →

Related questions

Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories

Other Questions

How do you can you solve this problem 37 + y = 87; y =
What is .725 as a fraction
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
Link Copied!