Question

Please help with 1 through 4

Answer 1

1. 40% increase
2. 50% increase
3. 42.857142857% increase
4. 50% decrease

1) 10%x2.50=0.25

0.25x4=1

2.50+1=3.50

2) 50%x0.50=0.25

0.50+0.25=0.75

3) probably wrong :D

4) 50%x10=5

Answer 2

Explanation: