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dezoksy [38]
3 years ago
6

Can somone help me with number 23 and 24

Mathematics
2 answers:
tangare [24]3 years ago
7 0

23.

store price = 14 + 0.5(14)

store price = 21

customer price = 21 + 0.08(21)

customer price = 21 + 1.68

customer price = $22.68

24.

formula: A = P(1 + rt)

A = 140(1 + (0.03)(2))

A = 140(1.06)

A = 148.40

interest = 148.40 = 140

interest = $8.40

Hope this helps!! :)

tigry1 [53]3 years ago
7 0

Answer:

Step-by-step explanation:

23) Cost price  = $14.00

Profit = 50% of 14

=\frac{50}{100}*14=7

=$7

Tax = 8%of(14+7) = 8%*21

=\frac{8}{100}*21=\frac{168}{100}=1.68

Selling price = 14+  7 + 1.68 =22.68

Selling price = $22.68

24) Amount = $140

r = 3%

n = 2 years

Interest = amount *r*n/100

=\frac{140*3*2}{100}\\\\=\frac{14*3*2}{10}\\\\=\frac{84}{10}=8.4\\\\

Interest = $8.40

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