Answer:
it's 3.4%
Step-by-step explanation:
You take the difference of 362 and 350 (which is 12) and divide it by the starting number (350) getting you 3.4
a)10%=3560/100=356
5%=356/2=178
30%=356X3=1068
35%=1068+178=1246
b)10% of 40%=3560/4=890
100%890x10=8900(answer)
hope this helps
243 in^3
Cut into 2 rectangles
First one would be ..
12 x 8 = 96
second one would be
7 x 21 = 147
Add them together
147 + 96 = 243