Cody increased the amount of money he saves each week from $40 to $75. By what percentage did Cody increase the amount of money he saves?

So Cody increase his savings by 87.5%

Step-by-step explanation:

We are given Cody's original savings = $40

We are given his new savings total = $75

Now, in order to find out the percentage we have to first find out by how much did he increase his savings:

Increase in savings = $75 - $40 = $35

So now we have the increase in savings we can find out the percentage:

Now we plug in our values that we found:

So Cody increase his savings by 87.5%

a = 11 : 4

b = 38

c = 1 for every 6