Donna plans to put her graduation money into an account and leave it there for 4 years while she goes to college she receives $850 in graduation money that she puts into an account that earns 5% interest and not equally how much will be in donna's account at the end of the four years

her account will have 1,020 dollars if it is a 5% annual interest rate

Step-by-step explanation:

850        

___  =    ___            (cross multiply)

100          5

when you cross multiply you get that 5% is 42.50

multiply 42.50 by 4 (the number of years the money will be in the account)

add that number to the original amount and you get the total after 4 years.

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