Question

1. Jin bought 3 small candles and 1 medium candle for $3.85. Trish bought 4 small candles and 5 medium candles for $10.45.

(a) Write a system of equations that you could use to find the cost of each size of candle. Use s for the cost of a small candle and m for the cost of a medium candle.
(b) Solve the system.
(c) Mark bought 2 small candles and 1 medium candle. How much did he pay in all?
Consider the system of equations.

Answer 1

The system would be 3x+1y=3.85     4x+5y=10.45.

Answer 2

(a) 3s+1m=3.85, 4s+5m=10.45

(b) Small=$0.80, Medium=$1.45

(c) $3.05

Are you in K12?