Answer:200
Step-by-step explanation:
Answer:
m=28
n=21
3×4=12
7×4=28
28×1.75=49
12×1.75=21
3/4 x 5 = 15/20
3/5 x 4 = 12/20
15/20 + 12/20 = 27/20
Hope this helps!
i am sorry but i dont know
