A spider ate 25% more bugs this month than last month.The spider ate 8 bugs last month. How many bugs did the spider eat this mo nth?
2 answers:
Answer:
The spider ate 10 bugs this month.
Step-by-step explanation:
A spider ate last month = 8 bugs
If the spider ate more bugs this month = 25%
First we calculate 25% of 8 (last month's value)
= × 8
= 0.25 × 8 = 2
The spider ate 2 more bugs than the last month.
So this month spider ate = 8 + 2 = 10 bugs.
The spider ate 10 bugs this month.
To increase by a percentage, multiply by the 1+(the percentage/100). i.e. in this case to find 25% we'd multiply by 0.25, so to increase by 25% we basically find 125% of it, which involves multiplying by 1.25. 8*1.25 is 10, so the spider ate 10 bugs this month.
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