Mathematics: Please help with this one. I will give brainliest!!

Solution:1. Store Name = Bob s Nuts and Bolts Credit card APR = 21 % for 18 months = % MonthlyPrice of Washing Machine = $ 450Price paid by Tom to Bob s nuts and bolt s Store monthly = 450 = = $ 5.25Amount paid per month = 2. Store Name = Steve s Scratch and Dent Credit card APR = 22% for 18 months = % MonthlyPrice of Washing Machine = $ 405Price paid by Tom to Steve s Scratch and Dent Store monthly = 405 = = $ 4.95Amount paid per month = $3. Store Name = Wally s Washing Machines Credit...

Please help with this one. I will give brainliest!!

Ответ:

rb3910

21.02.2023

Mathematics

Solution:

1. Store Name = Bob's Nuts and Bolts

Credit card APR = 21 % for 18 months = $\frac{21}{18}=\frac{7}{6}$ % Monthly

Price of Washing Machine = $ 450

Price paid by Tom to Bob's nuts and bolt's Store monthly

= 450 $\times \frac{7}{600}$

= $\frac{3\times 7}{4}=\frac{21}{4}$

= $ 5.25

Amount paid per month = $\frac{450}{18}+5.25=30.25$

2. Store Name = Steve's Scratch and Dent

Credit card APR = 22% for 18 months = $\frac{22}{18}=\frac{11}{9}$ % Monthly

Price of Washing Machine = $ 405

Price paid by Tom to Steve's Scratch and Dent Store monthly

= 405 $\times \frac{11}{900}$

= $\frac{45\times 11}{100}=\frac{495}{100}$

= $ 4.95

Amount paid per month = $\frac{405}{18}+4.95=27.45$ $

3. Store Name = Wally's Washing Machines

Credit card APR = 19% for 18 months = $\frac{19}{18}=\frac{19}{18}$ % Monthly

Price of Washing Machine = $ 432

Price paid by Tom to Wally's Washing Machines Store monthly=

$= 432 \times \frac{19}{1800}=\frac{8208}{1800}= $ 4.56(approx)$ $

Amount paid per month = $\frac{432}{18}+4.56=28.56$ $

4. Store Name = Al's Appliances

Credit card APR = 16 % for 18 months = $\frac{16}{18}=\frac{8}{9}$ % Monthly

Price of Washing Machine = $ 475

Price paid by Tom to Al's Appliances Store monthly

= 475 $\times \frac{8}{900}$

= $\frac{3800}{900}=\frac{38}{9}$

= $ 4.223(approx)

Amount paid per month = $\frac{475}{18}+4.223=30.62$ $

Lowest amount per monthly for 18 months is charged by,Steve's Scratch and Dent which is lowest among all the four stores . So Tom will buy washing machine from Steve's Scratch and Dent.

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