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devlian [24]
3 years ago
10

5. When Gisselle decided to stop eating junk food, she started saving more of her allowance to buy a larger bicycle. She managed

to put away $6 every week for 8 weeks and found a nice used bicycle for $50. She thought that she had close to that amount in her savings jar. Did she have exactly enough for the bicycle? If not, how much extra or how much too little did she have?​ need help please
Mathematics
1 answer:
MA_775_DIABLO [31]3 years ago
8 0

Answer:

She would've had 48 dollars by then, so she's short by 2 dollars

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Answer:

x=4.5 y=18.75

Step-by-step explanation:

solve using pythagorean theorem :

hypothenus²=opposite²+adjacent²

for y:

y²=15²+11.25²

y²=225+126.5625

y²=351.5625

y=18.75

for x:

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x²=7.5²-6²

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Mason has a collection of 49¢ stamps, 20¢ stamps, and 34 stamps worth $23.55. He has 56 total 49¢ and 20+ stamps and the number
tatuchka [14]

Answer:

Mason has

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Step-by-step explanation:

Let x be the number of 20¢ stamps, then the number of 3¢ stamps is  x + 9.

Mason has 56 total 49¢ and 20¢ stamps, then the number of 49¢ stamps is 56 - x.

Amounts:

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Total amount:

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Hence,

49(56-x)+20x+3(x+9)=2,355\\ \\2,744-49x+20x+3x+27=2,355\\ \\-49x+3x+20x=2,355-2,744-27\\ \\-26x=-416\\ \\26x=416\\ \\x=16

Mason has

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120 - 14 = 106

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