-8x - 4y = -20...divide by -4
2x - y = 5...rearrange
2x - 5 = y
this is the same as the other equation...this means they are the same line with infinite solutions
Answer:
X= 7
Step-by-step explanation:
Since x= 2 you would plug it in 3.5 times 2 = 7
Answer:
the answer is A. 0.48 $
Step-by-step explanation:
the price of ounce of the watermelon is :
The decimal equivalent of 3/7 rounded to the nearest hundreds is 0.428
Answer:
7.429 cents
Step-by-step explanation:
Given that:
Price change = $1.51 to $2.03
Period of time = 7 years
Therefore, the annual inflation rate :
Difference in price / number of years
($2.03 - $1.51) / 7
$0.52 / 7
= 0.0742857 per year
= 0.0742857 * 100 (about 7.429 cents per year)