Answer:
6. 5%
Solution: 100÷80= 1.25
80-76=4 1.25×4= 5
7. 25.2% of money increase
Solution: 100÷1,800=0.56
0.56×450= 25.2
Answer:
6. 5%
Solution: 100÷80= 1.25
80-76=4 1.25×4= 5
7. 25.2% of money increase
Solution: 100÷1,800=0.56
0.56×450= 25.2