Question

A bottling machine filled 3 of every 8 bottles with grape juice. The bottling machine filled 144 bottles altogether.

How many of these bottles were filled with grape juice?

Answer 1

Total=144

Answer 2

3/8 of Total are grape
so:
3/8 of Total=Answer

Answer 3

Let's translate this into math:
of means multiply

Answer 4

3/8 of Total=Answer
\(\downarrow\)
3/8 * Total=Answer

Answer 5

Can you continue from here?

Answer 6

yes and thank you @GreenCat

Answer 7

^_^

Answer 8

can you help me with one more @GreenCat

Answer 9

yes

Answer 10

The ratio of the perimeters of two rectangles is 5 to 8. The perimeter of the larger rectangle is 72 inches. What is the perimeter of the smaller rectangle?

A.
115.2 inches

B.
45 inches

C.
40 inches

D.
16.4 inches

Answer 11

@GreenCat

Answer 12

Basically, you use the ratio to figure out the perimeter.

Answer 13

The smaller triangle's perimeter should be 5/8 of the larger triangle

Answer 14

Do you understand how I got that?

Answer 15

but what would that be in decimal form @GreenCat

Answer 16

remebmer that "of" means multiply
so 5/8 *72

Answer 17

which would be 45

Answer 18

thanks @GreenCat

Answer 19

ok bye