Week-5_Ratios, Proportions, and Percent
Week-5_Ratios, Proportions, and Percent
Topic:Finding the final amount given
the original amount and a percentage increase or
decrease
Before:
NOW:
Dh 250
Dh ___ ?
Before:
NOW:
Dh 250 Dh ___ ?
Step 1)
250 x 20% = 50Step 2)
250 – 50 = 200
200
The price of oil has increased by 15% from last week.Last week, the price of oil was $120 per barrel.
a) How much is the decrease in price? _____________
b) How much is the price now? ____________
The price of oil has increased by 15% from last week.Last week, the price of oil was $120 per barrel.
a) How much is the decrease in price? _____________
b) How much is the price now? ____________
Step 1)
120 x 15% = 18Step 2)
120 + 18 = 138
$ 138
$ 18
447,000 x 8% = 35,760447,000 + 35,760 = 482, 760
36,000 x 14.3% = 5,14836,000 - 5,148 = 30,852
Topic:Finding the final
amount given the original amount and a percentage increase
or decrease
Learn the topic in tour Aleks pie now.