how do i solve this?
Answer: 9
Step-by-step explanation: its very simple , first take the -2 out of the parenthesis and put is as 10-2+1 which is positive 9 because 10-2=8 and plus 1 is 9.
How much do 777 light bulbs cost?
Question:
At the market, 5 light bulbs cost $9. How much do 7 light bulbs cost?
Answer:
Cost of 7 bulbs is $ 12.6
Solution:
Given that,
5 light bulbs cost $ 9
Find the cost of 1 bulb
Cost of 1 bulb is found by dividing the cost of 5 bulbs by 5
Thus cost of 1 bulb is $ 1.8
Thus cost of 7 bulbs is $ 12.6
Answer:
7 bulbs equals 12.6
Step-by-step explanation:
the value of x is x=1/12'
HOPE IT HELPS U.