Answer:
Identify the known ratio and the unknown ratio.
Set up the proportion.
Cross-multiply and solve.
Check the answer by plugging the result into the unknown ratio.
A=(-13+9)/4 = -1
a=-1
15=5m
m=3
Answer:
6 groups
Step-by-step explanation:
Divide 187 by 37 to split into groups
It's a decimal of 5.05, so create 6 groups
2 1 (2x4) + (1x3) 8+3 11
-- + -- = --------------- = ----- = ---- hopes this helps!! :)
3 4 3x4 12 12
