Answer:
fred = 45 books
sally has 27 times more book than fred
sally = 45 X 27
= 1215 books
1a:
580 - (580 × .1) - 20
580 - (58) - 20
522 - 20
502
1b:
990 - (990 × .25) - 20
990 - (247.5) - 20
742.5 - 20
722.5
I'm not sure how to solve #2.
Answer:
f(4) = 0
Step-by-step explanation:
f(4) means what is the value of y when x = 4
Now x = 4 is on the x- axis, where y = 0, thus
f(4) = 0
Answer:
14
Step-by-step explanation:
12:6=2
12+2=14
so her brother it's 14 years old
