Answer:
1:7
Step-by-step explanation:
simplify both sides of the ratio by dividing each by 9. so you have 1 and 7. 1:7
Ha Then why did you post it on Brainly
Answer:
f(x)=
1. 48x when x < or = 3,
2. 45x when 4 < or = x < or = 8
3. 42x when 9 < or = x < or = 19
4. 38x when x > 19
Step-by-step explanation:
3 boxes or less = Cost of tiles = $48
4 - 8 boxes ; cost = $45
9 - 19 boxes ; cost = $42
> 19 boxes ; cost = $38