The gas tank on juanita's car holds 20 gallons of gas. the fuel gauge of the car shows that the gas tank is 3/4 full. how many gallons of gas are in the gas tank?

15 gallons

Step-by-step explanation:

So the easiest way to solve this one is basic reasoning. It's easy to find 3/4 of a number if you know what 1/4 is.

20/4 = 5, or 1/4 of 20 = 5

3/4 is 3 times as much as 1/4, so 5(3)=15

Or, you can solve using a proportion

3       x

_  =   _

4      20

(those are fractions)

Cross multipy

3 (20) = 4x

60 = 4x

Divide both sides by 4 to isolate the variable

15 = x

The final way to solve this is by converting the decimal to a fraction. 3/4 = 0.75

20 x 0.75 = 15

8

step-by-step explanation:

to find the amount of gift bags to use all the supplies, find the gcf or greatest common factor. this is the largest number which multiplies evenly into each term.

48 has factors: 1, 2, 3, 4, 6, 8, 12. 16, 24, 48

80 has factors: 1, 2, 4, 5, 8, 10, 16, 20, 40, 80

64 has factors: 1, 2, 4, 8, 8, 16, 32, 64

the highest number factor they all share in common is 8. this means there will be 8 bags with 6 pencils, 10 markers, and 8 stickers in each bag.

she was supposed to add the hours(38.5) and multiply the amount of money she earned(7.50) resulting in $288.75 .

correct me if i'm wrong and if it is i'm truly sorry.