Answer:
3 and 18
Step-by-step explanation:
let x be the first number
let 6x be the second number
x + 6x = 21
7x=21
x=21/7
x=3
second number =6x
second number 6x3= 21
Answer:
2) Exact
3) Exact
4) Exact
5) Approximation
Step-by-step explanation:
Answer:
car with 2 people: $10
car with 4 people: $14
car with 10 people: $26
Step-by-step explanation: