You and your sister go to the store. You buy 3 erasers for a $1.00 . Your sister buys 4 erasers for $1.25 . Explain who gets the better deal .

Your sister

Step-by-step explanation:

To determine those with better deal we will have to do some calculations

So let's start

You bought the 3 erasers for$1.00

So we will have to determine the amount you bought 1

3 erasers=$1.0

1 eraser=x

Cross multiply

3x=1

X=1/3

X=0.33333

Your sister bought 4 erasers for $1.25

So 1 eraser=x

Cross multiply

4x=1.25

X=1.25/4

X=0.3125

So we will have to compare the two prices and we will discover that your sister gets the better deal

(3x-8) or (3x+8)

step-by-step explanation:

answer 1 : option "c"

answer 2 : option "d"

answer 3 : option "b"

answer 4 : option "d"

answer 5 : option "b"

answer 6 : option "a"

answer 7 : option "c"

answer 8 : option "d"

answer 9 : option "c"

answer 10 : option "d"

answer 11 : option "c"

answer 12 option "b"

answer 13 option "c"

answer 14 option "c"

answer 15 option "d"

answer 16 option "a"

answer 17 option "b"

answer 18 option "c"

answer 19 option "a"

answer 20 option "a"

answer 21 option "c"

d