Real world situations
bob has 2000 dollars in his bank account each month he gets and interest rate of 15%
how much money will he have after 10 years
2000(1.15)10 =8091.1
what is 132 percent in a decimal
what is 0.186 as a percentage
132/100=1.32
0.186x100=18.6 percent
John was doing a percentage problem but he made a mistake find the mistake and continue the problem
billy has 240 fish in an aquarium every week 5 percent of them die how many fish will remain after 4 weeks
His work 240(0.5)4=15
correct answer he wrote the decimal for how many fish remain wrong
240(0.95)4=195
There is 15000 in debt and he pays off 6% every week for 3 months how much debt is there left to pay
-15,000+(0.06)3=
their are 640 dogs at a dog show only 7.25 percent of the dogs where able to advance to the finals
what is the percentage in a decimal
how many dogs advanced to the finals (use whole numbers only)
the decimal is 0.725
and only 46 dogs advanced to the final round
johnny is solving a problem about a jacket for 120 dollars with a discount of 20 percent but their was a tax of 10 percent he does 120x0.10=12 120-12=108
why is this incorrect
what is the correct answer
it is 105.6 sine johnny though you could add percentages which gave him the incorrect answer 108
their are 250 fish and the population grows by 18 percent each month
how many will their be after 5 months
how many months would it take for their to be 1000 fishes
250(1.18)5=571
8-9 months
if you get a discount of 12.5 and an additional discount of 8.75
write them in decimal form if you bought an item for 96 dollars how much will the discount take off
correct percentages are 0.125 and 0.0875
96x0.875=84 84x0.9125=76.65
boi was doing a problem it says a population increases by 25 percent then decreases by 25 percent boi says that the population wouldn't change
what did boi do wrong
solve the problem (use an example number ) to find what percent actually remains
the population doesn't go back to the same it would be 93.75 percent of starting population
boi did addition/subtraction with his answer