Answer:
4a. 15 wear braces
b. 20%
5a. 140 children - 400 - 120 = 280 ... 280/2=140
b. 35%
6a. Bob got $22.50. $45 / 2 = $22.50
b. $45 - $90 / 2 = $45
Step-by-step explanation:
pls mark brainliest! <3
Answer:
2-4=-2
Step-by-step explanation:
Answer:
40 chocolates
Step-by-step explanation:
30% *C=12
0.3*C=12
C=40
Answer:
4.5 u
Step-by-step explanation:
There are many ways to do it, the most easier is this:
Area=(b*h)/2
Area of ABD = (3*3)/2 = 4.5 u
Answer:
7/64
Step-by-step explanation:
7/6÷8=7/6*1/8=7/64
Hope this helps :)