Well, since it asks for an estimation, let's make a rough guess.
Let's round 24% to 25%.
25% is 1/4 of 60.
60 divided by 4 equals to 15.
Estimate will be 15.
Answer:
720
Step-by-step explanation:
1600*0.09=144
144*5=720
3018
Mentally,
503 = 500 + 3
500 times 6 = 3000
3 times 6 = 18
Add them up:
3018