Question

mia's weekly income varies directly with the number lawns she mows. If she earns $143.50 mowing 7 lawns , how much will she earn if she mows 10 lawns?​

Answer 1

So 205

Explanation:

First we have to divide 143.50 by 7 to find the amount she makes per lawn then muliply it by 10

143.50 / 7 =20.5

20.5*10=205

Answer 2

Answer: $ 205

Explanation:

Let x be the amount (in dollars) of money she will earn by mowing 10 lawns.

Given : Mia's weekly income varies directly with the number lawns she mows.

She earns $143.50 mowing 7 lawns .

Then by using proportionality , we have

`(x)/(10)=(143.50)/(7)\\\\\Rightarrow\ x=(143.50)/(7)*10=\$205`

Hence, she will earn $ 205 if she mows 10 lawns.