Answer:
15
Step-by-step explanation:
They are complementary and adjacent angles (Brainliest please)
Answer:
140 minutes
Step-by-step explanation:
It is 200 pages total and he reads 10 every 7 minutes. So, you do 200/10 and you get 20. Then do 7 times 20 to get your answer.
Answer:
16 y.o
Step-by-step explanation:
say rebecca = x
therefore, cynthia = 6x
when rebecca ages 6 years (x+6), cynthia will be 3(x+6) years old
since cynthia's original age + 6 will be equal to the new expression of her age after 6 years
3x + 18 = 6x + 6
18 = 3x + 6
3x = 12
x = 4
as cynthia = x + 6 (NOTE: AT THE BEGINNING) her original age was 10.
however after 6 years she's 16