Mathematics: 302 car stereos were recently sold in a car audio store. 149 had a CD player, 116 had a cassette player, and 40 had both a CD and a cassette player. How many had a CD player only?

302 car stereos were recently sold in a car audio

Ответ:

danielajimenezowfsvp

20.01.2022

109 car stereos

Step-by-step explanation:

If 149 car stereos had a CD player (with or without a cassette player), and 40 car stereos had both a CD and a cassette player, the number of stereos with only a CD player is determined by:

$CD_{only} = CD - Both\\CD_{only} =149-40\\CD_{only} =109\ car\ stereos$

109 car stereos had only a CD player.

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Ответ:

griffislandon74

29.07.2022

Mathematics

for 5 points only? nah.

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302 car stereos were recently sold in a car audio store. 149 had a CD player, 116 had a cassette player, and 40 had both a CD and a cassette player. How many had a CD player only?

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