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Jlenok [28]
2 years ago
7

Find the selling price of a $249.50 cell phone with a 30% markup

Mathematics
1 answer:
algol [13]2 years ago
3 0

Answer:

$324.35

Step-by-step explanation:

249.50x74.80=74.85. markup=add, 74.85+249.50=324.35

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The total weight of 15 boxes is 45 pounds .how much would 40 boxes weigh
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1. Average Senior High School annual cost of tuition fee for all private schools in Cavite last year was 46,300 a random sample
anygoal [31]

Answer:

Step-by-step explanation:

H0 : μ = 46300

H1 : μ > 46300

α = 0.05

df = n - 1 = 45 - 1 = 44

Critical value for a one tailed t-test(since population standard deviation is not given).

Tcritical = 1.30

The test statistic :(xbar - μ) ÷ (s/sqrt(n))

The test statistic, t= (47800-46300) ÷ (5600√45)

t = 1500

t = 1500 / 834.79871

t = 1.797

The decision region :

Reject H0: if t value > critical value

1. 797 > 1.30

Tvalue > critical value ; We reject H0

Hence, there is sufficient evidence to conclude that cost has increased.

5 0
2 years ago
5) $250 TV on sale for 25% off, but need to include 7% tax
Fed [463]

Answer:

$200.63

Step-by-step explanation:

so i did 7% tax first than i took away 25% and got $200.63

  • Before Tax Price ($): 250
  • Tax Rate (%): 7
  • Final Price Including Tax ($): 267.5
  • Sale Tax($): 17.5
  • New price: $267.5
  • Discount percentage: 25%
  • Discount: $66.88
  • Final Price: $200.63

hoped this helped lmk if it did

3 0
3 years ago
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