Assuming person A and person B are part of the 7 people, there are 10 ways the 7 people can line up if A needs to be first or last and B needs to be in the middle.

Step-by-step explanation:

There are 2 places for A (first, last) and 5 places for B (anywhere but first or last). 2 x 5 = 10.

8 0

3 years ago

The regular price of the soccer ball is $25. During the sale, it is 20 percent off. Use ratio reasoning to find x, the amount th

Evgen [1.6K]

$ 5 is taken is off the regular price

Solution:

Given that, Regular price of the soccer ball is $ 25

During the sale, it is 20 percent off

Let "x" be the amount that is taken off the regular price

Regular price = $ 25

Discount = 20 percent off

Which means, 20 % of regular price is taken off

x = 20 % of regular price

x = 20 % of 25

$x = \frac{20}{100} \times 25\\\\x = 5$

Thus $ 5 is taken is off the regular price

3 0

3 years ago

What is the general form of the equation of a circle with its center at (3,5)

goldenfox [79]

Answer:

2,5 maybe

Step-by-step explanation:

5 0

3 years ago

You use a gift card to buy a pair of shorts for $8. There is $32 left on the gift card after your purchase. What was the origina

LenKa [72]

40 Dollars Was the original ammount

6 0

3 years ago