2x + 2x + 2 = 4x + 2
1 answer:
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Answer : The equation could you use to find p is,
Step-by-step explanation :
Let the cost of 1 pen be, 'x'
and the cost of 1 pencil is, 'p'
As we are given that total cost of 1 pen and 1 pencil is $2.10. The equation will be:
............(1)
And we have also given that the pen costs twice as much as a pencil. The equation will be:
............(2)
Now put the equation 2 in equation 1, we get:
Thus, the equation could you use to find p is,
Answer:
-0.7
Step-by-step explanation:
You can choose any digits you wish for and
but the difference must be 0.7. I chose 1.0 and 0.3.