Answer:

Step-by-step explanation:

Use the rule


Answer:
.80x
Step-by-step explanation:
If the price is reduced by 20% we are paying 100-20 or 80 percent
The new price is
x* 80%
.80x
Answer:
1/2, 2/4.
Step-by-step explanation:
2/4 is one fraction because there are 2 bananas out of 4 pieces of fruit.
This can be simplified to 1/2.
Answer:
12
Step-by-step explanation:
7*3=21 so 4*3=12