£.075/5= £0.15
0.15x7= £1.05
7 bananas is £1.05
Answer:
Getting through ratio method
100-20=80 percent have to pay
18:80
<em>x</em>:100
cross multiply
80 x <em>x=1</em>8 x 100
80x=1800
x=1800/80
x=22.5
So the original price was $22.50
Step-by-step explanation:
Answer:
yes
Step-by-step explanation:
since its more than 90 dgree
Answer:
12
Step-by-step explanation:
The proportion is equal to 
We can simplify the right side by dividing by 7/7 to get the right side equal to 6/5. Now we can cross-multiply to get

Dividing both sides by 5, we have the answer as

If the base for the top is 9, the base for the bottom, 3, and the height is 3, your answer should be 18. Hope this helps