Answer:
120 pages
Step-by-step explanation:
1/2 h ↔ 20 pages
1 h ↔ 40 pages
3 h ↔ 120 pages
Answer:
no
Step-by-step explanation:
Counting by tens is faster than counting by ones because you skip more numbers in between 10 and the next number than just counting by ones
Answer: The answer is 2x + 7.
Explanation: First, we need to add the numbers:
9x + 3 – 7x + 4
9x + 7 - 7x
And finally, we combine like terms:
9x + 7 - 7x
2x + 7