The number of calculators and backpacks that were turned into the school lost and found have been recorded for 10 days in the sc
1 answer:
You might be interested in
Answer:
The solution is
Step-by-step explanation:
You are given the system of three equations:
Multiply the first equation by 4, the second equation by 3 and subtract them. Then multiply the third equation by 2 and subtract it from the second equation:
So,
Multiply the third equation by 23 and subtract it from the second equation:
Hence,
Substitute it into the second equation:
Substitute them into the first equation:
The solution is