Suppose some of the boxes in a decimal wheel show these numbers: 0.62, 0.63, 0.67, and 0.69. explain how to use structure to find the number that is written in the circle at the center of the decimal wheel.

what grade math is this?

the entire expression should be subtracted from 30. to subtract the quantity, distribute the negative sign, which changes the signs on the terms. so, the –2 changes to positive and gets added to 30 instead of subtracted from it.

hope this ! ^w^

4/6 = 2/3

so it should take 3/3 hours per man. so 9 hours is the answer 3*3 =9

step-by-step explanation: