Kirsten's mom is two years less than three times as old as Kirsten. If k represents Kirsten's age, which of the following expressions can be used to represent the sum of their ages? Select all that apply. (3k - 2) + k
4k - 2
2k
3k - 3
3(k - 1)
2(2k - 1)

you'll just earn points here

step-by-step explanation:

44

step-by-step explanation:

the

all three statements are true

step-by-step explanation:

a shipping fee of 5% is charged online with every item purchased online

first let's just take each option and calculate them based on this, to see if the answers matched

keith buys a 40 dollar book

40 x 0.05 = 2

therefore there will be a two dollar fee on keith's book

40 + 2 =42

the first statement is true

a chair costs $80

80 x 0.05 = 4

80 + 4 = 84

the second statement is true

george buys a 20 dollar calculator

20 x 0.05 = 1

20 + 1 = 21

the third statements are true

all three statements are true