The 4-by 100 meter relay is a track and field event involving four runners on each team.
runner - carter frater bolt powell
time - 13.4 12 12 11.7
a. what is the combined time of carter and frater?
b. how much faster did powell run his leg of the race than bolt?
c. what is the combined time of all the runners?

-4

step-by-step explanation:

do 6-10=

if u need it to be negative.

to find the total number of combinations, multiply the quantity of each item by each other:

2 pairs of shoes x 3 pairs of shorts = 6 different combinations.

$2416.6

step-by-step explanation:

per hour = $ 25

total work time = 35

commission = 15%

total she has to make = $ 4,500

let she sold x dollar products

so her commission will be 15 % of x

now

total = weekly basic pay + commission

4500= (25*35) + 15 % of x

4500=875 + * x

4500-875 =   * x

3625= * x

multiplying wwith 100 on both sides gives

36250 = 15 x

now

x =  

x= $2416.6