The store sells 24 candy bars for $12.

select the three unit rates that can be used to describe this sale.

(a.) $0.50 per candy bar

(b.) 2 candy bars per dollar

(c.) $6 per dozen

(d.) 10 candy bars per $5

(A.) $0.50 per candy bar

(B.) 2 candy bars per dollar

(C.) $6 per dozen

Step-by-step explanation:

The store sells 24 candy bars for $12 . The three unit rate that can be used to describe this sale are

Let us confirm for option A

24 candy bars sale for $12

1 candy bar will sale for ?

cross multiply

12/24 = 1/2 = $0.5

A is right and it is a unit rate

Let us confirm for option B

24 candy bars sale for $12

2  candy bars will sale ?

(2 × 12)/24 = 24/24 = $1

B is right and it is a unit rate

Let us confirm for option C

Note that a dozen is 12 bars

24 candy bars sale for $12

12 candy bars will sale ?

(12 × 12)/24 = 144/24 = $6

C is right and it is a unit rate

Let us confirm for option D

24 candy bars sale for $12

10 candy bars sale for ?

(10 × 12) /24 = 120/24 = $5

Option d is wrong it is not a unit rate. The unit rate here should be 2 candy bar per dollar.

sinn is the total amount of students now and m were the students before, you subtract them both (n-m) and divide that by m. then, since to get a percentage from a fraction you have to multiply by 100, your answer should look like this: n-m/m*100

step-by-step explanation: