12. 2.3 Applications of Linear Equations
Solving a Geometry Problem
The length of a rectangle is 2 ft more than three times the width. The perimeter
of the rectangle is 124 ft. Find the length and the width of the rectangle.
13. 2.3 Applications of Linear Equations
Finding Unknown Numerical Quantities
A local grocery store baked a combined total of 912 chocolate chip cookies
and sugar cookies. If they baked 336 more chocolate chip cookies thansugar
cookies, how many of each did the store bake?
14. 2.3 Applications of Linear Equations
Solving a Percent Problem
During a 2-day fundraiser, a local school sold 1440 raffle tickets. If they sold
350% more raffle tickets on the second day than the first day, how many raffle
tickets did they sell on the first day?
15. 2.3 Applications of Linear Equations
Solving an Investment Problem
A local company has $50,000 to invest. It will put part of the money in an
account paying 3% interest and the remainder into stocks paying 5%. If the
total annual income from these investments will be $2180, how much will be
invested in each account?
16. 2.3 Applications of Linear Equations
Solving a Mixture Problem
A chemist must mix 12 L of a 30% acid solution with some 80% solution toget
a 60% solution. How much of the 80% solution should beused?
18. 2.3 Applications of Linear Equations
Solving a Mixture Problem
A chemist must mix 8 L of a 10% alcohol solution with pure alcohol to get a
a 40% solution. How much of the pure alcohol solution should beused?