The Handler family spent a total of $26.75 on lunch. They bought 5 drinks and 3 sandwiches. Each drink costs $2.50 less than a s

Question

4 years ago

13

andwich. Which of the following equations could be used to find the cost of each sandwich?

1 answer:

ryzh [129] · Answer 1 · 2022-01-30T23:17:10+03:00

ryzh [129]4 years ago

3 0

Answer:

$5(x-2.5)+3x=26.75\\x=4.90625$\\Where x is cost of sandwich.$

Step-by-step explanation:

Let cost of 1 sandwich $=x$

Let cost of 1 drink $=y$

$3x+5y=26.75\\x-y=2.5 \Rightarrow y=x-2.5\\$

Now from the first equation

$3x+5(x-2.5)=26.75\\8x-12.5=26.75\\8x=39.25\\x=4.90625$