Add 51 to get next number.
Proof:
5+51=56
56+51=107
107+51=158
Answer:
11
Step-by-step explanation:
12x 11=132 or 12x12=144-12=132.
Answer: 20 pages
Step-by-step explanation: 100/5 is 20
900 ÷ 72 = 12.5 minutes
Thus the correct answer is option A .
4x + 9 = 2x - 1
4x - 2x = -1 - 9
2x = -10
x = -10/2
x = -5 <===