subject
Mathematics, 18.08.2019 06:10 vegeta8375

1ain ideas
four-step plan-
ve problems.
e an appropriate
od of computation.
example use the four-step problem solving plan
1 pizza the price of a large cheese pizza at paul's pizza
is $9.25. you receive a $0.50 discount for each additional
pizza ordered, up to 10. so, one pizza costs $9.25, two
pizzas cost $8.75 each, three pizzas cost $8.25, and so
on. if you need 8 pizzas for a party, what is the cost
per pizza?
explore the problem gives the cost for the first pizza and
the discount for each additional pizza ordered. find
the cost per pizza for 8 pizzas.
plan
look for a pattern in the costs. extend the pattern
to find the cost per pizza for 8 pizzas.
solve
first, find the pattern.
1 pizza: 9.25
2 pizzas: 9.251-u
3 pizzas: 9251-100 or 5 241
3 pizzas:
ot
n2101
now, extend the pattern.
4 pizzas:
4 pizzas: q
5 pizzas: t
6 pizzas:
7 pizzas:
-160 jo 23.00
or
tor
1- tor
copyright © glencoe/mcgraw-hill, a division of the mcgraw-hill companies, inc.
8 pizzas:
the cost per pizza for 8 pizzas is
mber it
check
eck to
our answer
ble. if
er seems
able, solve
em again.
it costs $9.25 for one pizza with a discount of $0.50
for each additional pizza ordered. for an order of
8 pizzas, the cost per pizza would be
$9.25 – (7
$9.25 –
cer
jencoe pre-algebra


1ain ideas four-step plan- ve problems. e an appropriate od of computation.<

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