Answer:
25 lawns
Step-by-step explanation:
To solve this problem, we will follow the steps below:
using proportion to solve this problem
Let x be the number of lawn she can mow in 40 hours
5 lawns = 8 hours
x = 40 hours
cross-multiply
8×x = 40×5
8x = 200
Divide both-side of the equation by 8
[tex]\frac{8x}{8}[/tex] = [tex]\frac{200}{8}[/tex]
At the left-hand side of the equation 8 at the numerator will cancel-out 8 at the denominator, while at the right-hand side of the equation 200 will be divided by 8, thus;
x = 25 lawns
Therefore 25 lawns can be mow in 40 hours
