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5 votes
Hi

I need help please

Question 1:
James bought 5 different chocolates.The average price per chocolate was $14. If the prices of four chocolates were: $8.50, $23.25, $18.00,
and $ 10.75, find the price of the fifth chocolate.
The price of the fifth chocolate is ......$

Question 2:
During a one hour period on a hot Saturday afternoon cabana boy Marlo served forty drinks. He sold ten drinks for $ 10.50, five for $ 8.00, fifteen for
$ 6.00, and ten for $ 7.50. Compute the average price of one drink (weighted mean).?

Thank you

1 Answer

3 votes
Q 1:

$8.50+$23.25+$18.00+$10.75+x = 14
_________________________
5

x+ $60.5 = 14(5)
x+ $60.5= 70
x= 70 - $60.5
x= $9.5#

answer check:

8.50+23 .25+18.00+10.75+9.5
_______________________
5
=70
__
5
=14 (everage/mean)
User SerjG
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