Answer:
1.05 × 10^2
Step-by-step explanation:
140 pages
1/3 of 300 is 100pages
20% of 200 (remaining pages) is 40
100 + 40 = 140
Percent change (increase or decrease) is the amount of change over the original amount. So (5-2/5)=3/5 or 60% decrease in the number of cheese sticks you can buy for $1