Answer:
-24
Step-by-step explanation:
The correct answer is C! Because 21/2 = 10.5 and 10.5 x 4.5 = 47.25
Answer:
set middle number=x
then left side number=x-1
and right side number=x+1
(x-1)+x+(x+1)=30
3x=30
x=10
x-1=9
x+1=11
numbers are 9,10,11
Answer:
x=-1/2
Step-by-step explanation:
2x+2=4x+3
-1=2x
x=-1/2
Answer:
10 books approx
Step-by-step explanation:
Step one:
Given data
Hight of cupboard= 1.21m
Thickness of book= 12.5cm
thickness in meters= 12.5/100= 0.125m
Required
The number of books need to fill the Cupboard
Step two:
the number of books can be computed as
= 1.21/0.125
=9.68 book
=10 books approx