Task #9: Headphones
A store sells two brands of headphones: high definition (HD) and basic. It buys x HD
headphones at z dollars each, and y basic headphones at w dollars each.
In a-c, write an equation whose solution is the given quantity. Do not solve the
equations, just set them up.
a) The number of basic headphones the store can purchase if it spends a total of
$10,000 on headphones and buys 110 HD headphones for $70 each.
b) The price the store pays for HD headphones if it spends a total of $2,000 on
headphones and buys 55 basic headphones for $20 each.
c) The price the store pays for HD headphones if it spends a total of $800 on
headphones and buys eight basic headphones for $80 each.
