Answer:
155
Step-by-step explanation:
If 30% of his collection is 12 cars, then we can use the fraction
30/12=100/x
x=40
it will be 8.25 hope this helped
Answer:
4
Step-by-step explanation:
And let the missing number be x
We can solve using Algebra
11x - 10 = 34
11x = 34 + 10
11x = 44
x = 44/11
x = 4
For verification:
4(11) - 10 = 34
44 - 10 = 34
34 = 34
Hence, Proved