SOLUTION: Jessica owns a store that sells only laptops and tablets. Last week, her store sold 90 laptops and 210 tablets. This week, the sales, in number of units, of laptops increased by 50
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Question 1183350: Jessica owns a store that sells only laptops and tablets. Last week, her store sold 90 laptops and 210 tablets. This week, the sales, in number of units, of laptops increased by 50 percent, and the sales, in number of units, of tables increased by 30 percent. By what percentage did total sales, in units, in Jessica's store increase?
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
Last week, her store sold 90 laptops and 210 tablets.
This week, the sales, in number of units, of laptops increased by 50 percent, and the sales, in number of units, of tables increased by 30 percent.
By what percentage did total sales, in units, in Jessica's store increase?
:
Total for both last week
90 + 210 = 300 unitsLast
:
Find the total number of both this week
1.5(90) + 1.3(210) =
135 + 273 = 408 units
:
Find the difference of these totals
408-300 = 108 units
:
Find the per cent increase
* 100 = 36% increase
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