SOLUTION: mia weekly income varies directly with the number lawns she mows. if she earns $143.50 for mowing 7 lawns, how much will she earn if she mows 10 lawns??

Question 1123763: mia weekly income varies directly with the number lawns she mows. if she earns $143.50 for mowing 7 lawns, how much will she earn if she mows 10 lawns??

Answer by josgarithmetic(39628) (Show Source): You can put this solution on YOUR website!
Same way or same idea as your other two.

Using your direct-variation language, you can start with

y, amount of income
x, number of lawns
k, variation constant

Your model becomes .

If 10 lawns, just substitute into your formula model and evaluate y.
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