Answer: the slope of the line is 4
Answer:
$42.5
Step-by-step explanation:
Answer:
Step-by-step explanation:
<u>Given the system:
</u>
<u>Substitute y and solve for x:</u>
- 6x + 8y = 30
- 6x + 8(1/2x) = 30
- 6x + 4x = 30
- 10x = 30
- x = 3
<u>Find y:</u>
- y = 1/2x
- y = 1/2(3)
- y = 1.5
Solution is (3, 1.5)
Dave buys the book for $6, that leaves him with $3, Dave has to buy two cards that each cost $1.5 at most in order to buy the same card for each friend.
