Show that the following data are inconsistent: ‘Of a group of 50 students, 23 take mathematics, 14 take chemistry and 17 take ph
ysics. 5 take mathematics and physics, 3 take mathematics and chemistry and 7 take chemistry and physics. Twelve students take none of mathematics, chemistry and physics’. [Hint: see the last example of the section.]
1 answer:
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Kate paid $25.39 for her purchases.
Kate will receive $24.61 in change.
Step-by-step explanation:
Given,
Cost of t-shirt = $12.95
Cost of pair of shorts = $10.95
Total = cost of t-shirt + cost of pair of shorts
Total = 12.95 + 10.95 = $23.90
Sales tax = 6.25% of total amount
Amount of sales tax =
Amount of sales tax= $1.49
Total amount with sales tax = 23.90 + 1.49 = $25.39
Kate paid $25.39 for her purchases.
Amount paid = $50
Change received = Amount paid - Bill amount
Change received = 50 - 25.39 = $24.61
Kate will receive $24.61 in change.
Keywords: sales tax, addition
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The answer is b=-3 .
