The students in three third grade classes record the lengths of their shoes to the nearest centimeter. The data are in the tally table. How many more shoes were 18 or 22 centimeters long combined than 20 centimeters long?

-2x + 7 = 7

subtract 7 from both sides.

-2x = 0

divide both sides by -2.

x = 0

30.5*10=350$

you have to multiply the number without the decimal point then add it later but if its tenn u must move the place value of the decimal point 1 to the right.

answer: i think you should do the math and pay attention in class : )

step-by-step explanation:

that is truly what   think but if i get the answer i will