Answer:
The answer is 24. First 1128 - 72 equals 1056 then divide by 43 which equals 24.55 but u cant buy 24.55 VD so its just 24
Step-by-step explanation:
Check out the pdf attached to see how to do this problem. It will give you a way of solving all ratio problems. But the final answer 176-124 = 52 there are 52 more girls than boys.
Answer:
first one
Step-by-step explanation:
he adds 5(7) to his collection then 8(4) too and after wards he throws away 2
--------------------------------------------------
Question
---------------------------------------------------
x² - 49
--------------------------------------------------
Form into 2 perfect squares
---------------------------------------------------
x² - 7²
--------------------------------------------------
Formula
---------------------------------------------------
a² - b² = (a + b) (a - b)
--------------------------------------------------
Apply the formula
---------------------------------------------------
x² - 7² = (x + 7)(x - 7)
--------------------------------------------------
Answer: (x + 7)(x - 7)
---------------------------------------------------
