Respuesta :

Set a proportion. 7h - 4 lawns

                           35h - x lawns

Now, cross multiply. (35 x 4) / 7= 20

So, he would mow 20 lawns in 35 hours

Answer:

Let's find out!

Step-by-step explanation:

So, he can mow a lawn in 7/4 hours

So, to find out how many he could do in 35 hours:

[tex]\frac{7x}{4}=35 \\7x=140\\x=20[/tex]

He can mow 20 lawns in 35 hours!

Hope this helps!