1) of the dolls in mo's doll collection,

1/5 have red hair. of these 3/4 have green eyes. what fraction of Mo's dolls
collection have both red hair and green
eyes?

2) ( Use measurement conversions) find 1/2 of 1/4 of a gallon.

3) Cheryl is organizing her movie collection. if each movie casee is 3/4 inches wide, how many movies can fit in a 5 ft shelf.

can someone please explain and show me how they got their answers??? Thank you :)

1) Multiply:

1/5 * 3/4 = 3/20

2) Multiply as I showed you above.

3) Divide:

60/(3/4) = 60 * (4/3) = ?

that would equal 45?

but why would you multiply and then divide?

I mean 80 not 45

No. The answer to number 3 is not 45. Multiply (60/1) * (4/3).

When we divide fractions, the divisor must be inverted and then multiplied.

http://www.mathsisfun.com/fractions_division.html

so could you help me with number 2???

oh sorry my bad thank you ms.sue :))

You're welcome, Catalina.

1) To find the fraction of Mo's doll collection that have both red hair and green eyes, we need to multiply the fractions 1/5 and 3/4.

Step 1: Multiplying fractions requires multiplying the numerators and multiplying the denominators separately.
1/5 * 3/4 = (1 * 3) / (5 * 4) = 3/20

Therefore, 3/20 of Mo's doll collection have both red hair and green eyes.

2) To find 1/2 of 1/4 of a gallon, we need to multiply these two fractions.

Step 1: Multiply the numerators: 1 * 1 = 1
Step 2: Multiply the denominators: 2 * 4 = 8

Therefore, 1/2 of 1/4 of a gallon is equal to 1/8 of a gallon.

3) To determine how many movies can fit in a 5 ft shelf given that each movie case is 3/4 inches wide, we need to convert the measurements to the same units.

Step 1: Convert 5 ft to inches. Since 1 ft is equal to 12 inches:
5 ft * 12 inches/ft = 60 inches.

Step 2: Divide the total length of the shelf (60 inches) by the width of each movie case (3/4 inches):
60 inches / (3/4 inches) = 60 inches * (4/3 inches) = (60 * 4) / (3 * 1) = 240/3 = 80.

Therefore, 80 movies can fit in a 5 ft shelf.