Write an equation to solve each part of the two-step problem ken has 45 stamps. he uses 20 stamps. then he buys 7 more stamps. how many stamps does he have now?

32 stamps

Step-by-step explanation:

Ken has 45 stamps originally. Then, he uses 20 stamps. After using 20 stamps, he buys 7 more. The equation would be: (45 - 20) + 7. He now has 32 stamps.

(45 - 20) + 7

25 + 7

32

$450.00 for 6 weeks

or

$300

step-by-step explanation:

$200.00 for first week $50.00 x5 equals $250 plus $200 equals $450.00 for six weeks.

$200 for first week

$200 x 0.10 = $20

$20 x 5 = $100

$200 + $100 = $300

ruth is 6 years old

step-by-step explanation:

6 + 24 = 30,   so 6/30 = .2  

if you do 1/5 it also equals .2, so that is the answer.