bob231280
21.07.2019 •
Mathematics
At the market, 5 light bulbs cost $9. how much do 7 light bulbs cost?
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Ответ:
To solve this, find the cost of a single light bulb first, by dividing 9 / 5.
9 / 5 ==> 1.80
One light bulb is $1.80
Now, multiply 1.80 by 7.
1.80 * 7 = 12.6
7 light bulbs cost $12.6
Hope this helps! ☺♥
Ответ:
n-92
Step-by-step explanation:
when it says decreased, that means it is going down, or subtracting. Son the expression will be the number minus ninety two.