answer is 8.8
10 a + 12 = 100
10 a = 100 -12
10 a = 88
a = 88 / 10
a = 8.8 ( so value of a is 8.8)
Answer:
2 ¼ miles
Step-by-step explanation:
we can use a ratio
miles:hrs
¾:⅓
x3 x3
9/4:1
2¼:1
