If the drawing is 5 inches tall and the ratio is 1:7, that means that 1 inch will be equal to 7 feet.
Height = 5 x 7 = 35 feet
Answer:
5 (probably not right i havent done this type of math in a long time)
Step-by-step explanation:
First figure out his total bill by adding up what he buys.

Now subtract the discount of $20 since his purchase was above $100:
Answer:
I got 37.5 as my answer
Step-by-step explanation:
create your proportions by making the fractions 16/20=30/x (you can use this shortcut because the lines are parallel)
then cross multiply to get 16x=600
divide by 16 and x=37.5
1. 1/10
2. 3/5
3. 1/10
4. 1/6
5. 3/14