Chapter 2 IntroduCtIon to VarIables 59
deMYstiFied / algebra deMYstiFied / HuttenMuller / 000-0 / Chapter 2
- Nikki has $8000 in her bank, some in a checking account, some in a
certificate of deposit (CD).
Amount in checking account = __.
Amount in CD = __. - A total of 450 tickets were sold, some adult tickets, some children’s
tickets.
Number of adult tickets sold = __.
Number of children’s tickets sold = __. - A boutique is selling a sweater for three-fourths off retail.
Regular selling price = __.
Sale price = __. - A string is cut into three pieces of unequal length. The shortest piece
is 51 as long as the longest piece. The mid-length piece is 21 the length of
the longest piece.
Length of the longest piece (in the given units) = __.
Length of the shortest piece (in the given units) = __.
Length of the middle piece (in the given units) = __.
SOLUTIONS
- Marie’s age = x.
Tony’s age = x + 3. - Mona’s height (in the given unit of measure) = x.
Sandie’s height (in the given unit of measure) =^34 x. - Number of hours Lisa takes to compute her taxes = x.
Number of hours Sam takes to compute his taxes = x + 2. - Net income = x.
Amount spent on rent =^35 x. - Width (in the given unit of measure) = x.
Length (in the given unit of measure) = 4x. - Amount paid in federal income taxes = x.
Amount paid in state income taxes = 5000 − x.
(Or x = amount paid in state income taxes and 5000 − x = amount paid
in federal taxes). - Amount in checking account = x.
Amount in CD = 8000 − x.
(Or x = amount in CD and 8000 − x = amount in checking account)
SOLUTIONS
- Marie’s age =
✔