Andy runs 436.8 meters in 62.08 seconds.
a. if andy runs at a constant speed, how far does he run in one second? give your answer to the nearest tenth of a second.
b. use place value, multiplication with powers of 10, or equivalent fractions to explain what is happening mathematically to the decimal points in the divisor and dividend before dividing.
c. in the following expression, place a decimal point in the divisor and the dividend to create a new problem with the same answer as in (a). then, explain how you know the answer will be the same.
4 3 6 8 ÷ 6 2 0 8

step-by-step explanation:

i hate black

just get this app called photo math it should be able to do those

$113.42

i hope that is right.

step-by-step explanation:

proportions are fractions that equal to each other. so if two fractions are the same, they are proportional.

let's check the answers to see if they are proportional.

question a is not proportional because you can't turn 1.5/3 to 3/9. if you try to multiply 1.5/3 by 2 or 3, you wont get 3/9. it's impossible to make the fractions the same.

question b is not proportional because you can't turn 22/33 to 4/6. 33 can't go into 6.

question c is proportional because when you multiply 2 and 3 by 71, you would get 142/213, and those fractions equal to each other

question d is proportional because when you divide 14 and 7 by 2, you would end up with 7/3.5, and those fractions equal to each other.