Duane and nick are saving their money to build a tree house. Duane a adds $5 to their piggybank every other week. Mick adds $2 e very week. So far they have saved $45. How many weeks have they been saving their money?
1 answer:
10 weeks, 10 times 2 is 20, and 5 times 10 is 50, divided by 2 is 25, add 20 to 25 which is 45
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Step-by-step explanation:
Answer
Let2odintegers
(2n+1),(2n+3)
→(2n+1)+(2n+3)=44
⇒4n+4=44
⇒4n=40
⇒n=10
then,integerare
2n+1=21
2n+3=23
