You spend $20 total on tubes of paint and disposable brushes for an art project. Tubes of paint cost $4.00 each and paintbrushes cost $0.50 each. You purchase twice as many brushes as tubes of paint. How many brushes and tubes of paint do you purchase?

Question

Matthias

Mathematics

7 July, 12:17

You spend $20 total on tubes of paint and disposable brushes for an art project. Tubes of paint cost $4.00 each and paintbrushes cost $0.50 each. You purchase twice as many brushes as tubes of paint. How many brushes and tubes of paint do you purchase?

+2

Answers (2)

Know the Answer?

Pepper · Answer 1

4t + 0.50b = 20

b = 2t

4t + 0.50 (2t) = 20

4t + t = 20

5t = 20

t = 20/5

t = 4

b = 2t

b = 2 (4)

b = 8

so there were 4 tubes of paint and 8 brushes purchased for 20 bucks

Erin · Answer 2

20=4x+2 (.50x)

not sure but this could be an equation to solve it