Let's first turn 1 9/10 into an improper fraction, which is 19/10
so if R/12 equa;s 19/10, cross multiply
10r equals 228
divide both sides by 10, you get r= 22.8
Answer:
4cm
Step-by-step explanation:
28 + 28 = 56
64 - 56 = 8
8/2=4
just to check : 4 + 4 + 28 + 28 = 64
hope this helps x
brainliest plx?
Step-by-step explanation:
Let the number be x
160% of x=144

then we cross multiply


divide both sides by 160


therefore the number is 90
Change % = (77-70)/77 *100
= 100/11 = 9.1 % decrease
option C)
hope it helped
Answer:
D.
Step-by-step explanation:
It is the number of square units contained in the interior.
Area is 2 dimensional.