ReasonZ503097go ReasonZ503097go

Mathematics

Answered

Estimate an answer to the problem. An advertisement states that television sets are on sale at B&G Electronics. The sale prices are: 13-inch set, $147.99; 19-inch set, $208.95; 21-inch set, $231.99; 27-inch set, $289.97; 50-inch set, $519.97. Estimate the total cost of 9 13-inch sets.

Answer :

DaedalusH486067go DaedalusH486067go

We have that the 13 inch set costs:

[tex]147.99[/tex]

which can be rounded up:

[tex]147.99\approx148\approx150[/tex]

then, for 9 of these sets we get:

[tex]9\cdot150=1350[/tex]

which is close to the real price:

[tex]9\cdot147.99=1331.91[/tex]

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