At the market, 5 light bulbs cost $9. How much do 7 light bulbs cost?
2 answers:
Hello!
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! ☺♥
Answer:
7 light bulbs cost <u>$12.6</u>
Step-by-step explanation:
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