2 math problems please help!!?
Hank and Sally went shopping for school supplies at the local discount store. Hank realized that the price of two pencils was the same as a blue pen. When checking out, Sally paid $15 for the ten pencils and five pens for Hank and her. What was the price for one pen and the price for one pencil?
Write the algebraic expression using one variable for the following statement. Solve the equation and give all three answers.
Equation (1pt)
Solution (1pt)
The sum of the third and twice the first of three consecutive odd integers is 49. Find all three consecutive odd integers.
Favorite Answer
The sum of the third (x+4) and twice the first (x * 2) is 49.
(x+4) + (2x) = 49
3x = 45
x = 15
x+2 = 17
x+4 = 19
15.00 = 20p
15/20 = p
p = .75
pencils cost .75 and pens cost 1.50
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