Joey is helping his younger sister, Rachel, prepare for a certain quiz. For every question that Rachel answers correctly, Sam gives him four pieces of chocolate. For every question that Rachel answers
incorrectly, Sam takes away two pieces of candy. After 15 questions, if Rachel had answered 3
more questions correctly, she would have earned 39 pieces of candy. How many of the 15 questions
did Rachel answer correctly?

answer: 21$

step-by-step explanation:

$42 / $14 = 3   (ratio 3: 1)

$7 x 3 = $21

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

x coordinate is none

step-by-step explanation:

question 1: step-by-step explanation:

1/4 of 84 = 84÷4= 21