Answer:
1. 3 9/20
2. 1.86
3. 3 63/80 < 3 11/20< 3 1/5
4 1/3 , .35, 2/5
5.2(5x+1)
6. 5f+4s
7. Yes it does because the number of steps the runner will take is 46,145. There is no decimal.
8. She sold more on Tuesday because the decimal 7/9= .777 repeating which is smaller than.85.
9. Yes it is in simplest form
10. No it is not
11. 12 more days
Answer:
A. 64
Step-by-step explanation:
The shoes are 80 dollars. We get a 20% discount
Discount = 80*20%
= 80*.20
=16
The sales price = original price less the discount
= 80 -16
= 64
Answer:
. In other words, there number of girls is 
.
Step-by-step explanation:
The average of a number of measurements is equal to the sum of these measurements over the number of measurements.
.
Rewrite to obtain:
.
For this question:
.
.
Therefore:
.
On the other hand, there are 
boys and girls in total. Using the formula for average:
.
From the question, this average should be equal to 
. In other words:
.
Solve this equation for 
to obtain:
.
.
.
In other words, the number of girls here is .
