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16 October, 01:10

Kara spends $16 on tubes of paint and paint brushes. A tube of paint costs $3 and a paint brush costs $.50. Kara purchases twice as many brushes as tubes of paint. How many tubes of paint and how many brushes did she buy?

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  1. 16 October, 01:24
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    Answer: 3 (4) +.5 (8) = 16

    Step-by-step explanation:Replace b with 2p in the 1st equation

    3p +.50 (2p) = 16

    3p + 1P = 16

    4p = 16

    p = 16/4

    p = 4 tubes of pain

    then

    b = 2 (4)

    b = 8 brushes
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