Answer:
x = 15
Step-by-step explanation:
x + 7 = 22
Subtract 7 from each side
x+7-7 = 22-7
x=15
Answer:16(1+2)
Step-by-step explanation:
Multiplication and distributive property are your friends for this problen
Divide 400 by 25. You get 16. Multiply 16 by 8. You get 128.
After the first 18 years, the population of 1500 will be doubled to 3000.
After the next 18 years, making 36 years total, the population of 3000 will double to 6000.
