It is equivalent to 4/10
Answer:
3/4=0.75
4/5=0.8
7/10=0.7
0.75+0.8=1.55
1.55-0.7=0.85
Step-by-step explanation:
1 inch=10miles
4inches=b
cross multiply
b inches= 10 *4
b= 40
b = (c - 3a)/4
3a + 4b = c
4b = c - 3a
