Answer:
idk
Step-by-step explanation:
idk
Answer: 19
Step-by-step explanation:
79 - y = 2y + 22
2y + y = 79 - 22
3y = 57
y = 19
I hope I helped you.
Answer: 21 questions
Step-by-step explanation:
Turn it into a number sentence.
72% of x amount of questions is 15
0.72(x) = 15. Divide both sides by 0.72
x= 20.83333 round to nearest whole number
x= 21 questions