An advertisement claims that a 5-pound box of detergent will wash 20 loads of laundry. A 5-pound box costs $3.50. A 15-pound box
costs $10.00. About how much will you save per load if you buy the 15-pound box?
1 answer:
10.00 / 10 = .66
3.50 / 5 = .70
.70 - .66 = .4
you saved .4 per load
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Step by step:
10x=110
1. Divide both sides by 10
10x/10 = 110/10
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Answer: x=11
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Answer:
see explanation
Step-by-step explanation:
Using the rule of logarithms
• 
x = n ⇔ x = 
Hence
with b = 4 and n = - 2
= - 2, then
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