Answer:
10:40
Step-by-step explanation:
As the left number increases by 1, the right number increases by 4. So as you can see, the left numbers go 3-4-5 while the right numbers go 12-16-20. So the answer is 10:40 because 10x4=40.
Answer:
The bill before the tip was $13.75 if you add a 20% tip of $2.75 the total bill including the tip would be $16.50
The bill before the tip is $13.75
Of means multiply.
30%=0.3
30*0.3=9
9 students play in the school band
Answer:
9/5
Step-by-step explanation:
The scale factor is what do we multiply A by to get B
Take the ratio of B/A
18/10
9/5
The scale factor is 9/5