Write a decimal that represents the value of one 1 bill and 5 quarters

$2.25

Step-by-step explanation:

Note that 4 quarters = one dollar, which means that one quarter = 1.00/4 = 0.25

Multiply the value of 1 quarter (0.25) with the amount of quarters there are:

0.25 x 9 = 2.25

$2.25 is your answer

~

$8

step-by-step explanation:

it is pretty much backwards.

you take the 4x2 multiply that, and that is = $8

56.6

step-by-step explanation:

the ratio of the perimeters is equal to the scale.

the ratio of the areas is equal to the square of the scale.

34 / 20 = k

a / 19.6 = k²

substituting:

a / 19.6 = (34 / 20)²

a = 19.6 (34 / 20)²

a ≈ 56.6