The ratio of orange juice concentrate to water that Zoe used to make orange juice yesterday was 3 : 7. She used 14 ounces of water in the juice yesterday.
Today she wants to make twice as much orange juice.
PART A
Is the relationship between the amount of
orange juice concentrate c and the amount of
water w proportional? Explain.
PART B
How much orange juice concentrate does
she need?
6 ounces
12 ounces
18 ounces
28 ounces

B.12 ounces

Step-by-step explanation:

step 1

Find out the ounces of orange juice concentrate used yesterday

Let

x > ounces of orange juice concentrate used yesterday

y ---> ounces of water used yesterday

we know

that

> equation A

> equation B

substitute equation B in equation A

solve for x

step 2

today she wants to make twice as much orange juice.

To find out how much orange juice concentrate she needs, multiply the ounces of orange juice concentrate used yesterday by 2

so

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Step-by-step explanation: A oranges are cool

B 12 ounces

g = (2, 2)

step-by-step explanation:

given the ratio is 1 : 1 then f is the midpoint of eg

let the coordinates of g = (x, y)

using the midpoint formula

(0 + x) = 1 ( multiply both sides by 2 )

0 + x = 2 ⇒ x = 2

similarly

(4 + y) = 3 ( multiply both sides by 2 )

4 + y = 6 ( subtract 4 from both sides )

y = 2

coordinates of g = (2, 2)