25% because 21 is a quarter of 84. And 21 times 4= 84, so 21 is 25% of 84.
Answer x=63
Step-by-step explanation:
Answer:
y = 1x + 5
Step-by-step explanation:
Because you pay $5 for the cup once, and to refill it, you have to pay $1 as how many times as you want.
What is the question? I don't understand please explain?
Answer: 55 cubic units
Step-by-step explanation:
