Luke can paint 91 portraits in 7 weeks. How man portraits can luke paint in 4 weeks
1 answer:
You might be interested in
Answer:
5
Step-by-step explanation:
1. according to the condition
2. when the both prices are increased the ratio is
3. when the both prices are reduced the ratio is
4. using the equations written in steps 2&3 it is possible to make up the system of the two equations:
where x=160; y=52.
5. ration x:y=5.