Use the ratio table to solve the percent problem.

Part Whole
? 75
40 100

What is 40% of 75?

Enter your answer in the box.

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38+105= 143, 39+104=143, and you will find then adding the numbers on opposite sides, moving inwards yields the answer 138 every time. because of this, you’re going to multiply 138 times the number of pairs, which is 34. therefore, 34*138= 4692(i’m sorry if it’s the wrong numbers, but it’s the right concept)

20000 as first it increases by 2500 then by 5000 so next it will increase by 10000