<span>d=drinks p=pretzels 1st eq. 3d+3p=9.00 2nd eq. 4d+2p=8.50</span>
multiply 1st eq by 2
6d+6p=18.00
<span>multiply 2nd eq by 3 12d+6p=25.50 subtract -6d=-7.50 d=1.25 3p=9.00-3d</span>
3p=9-3.75
<span>3p=5.25 p=1.75 price of a pretzel=$1.75</span>
<span> price of a drink = $1.25</span>
When .
Answer: x = -4 or x = 7
Step-by-step explanation:
x^2 - 3x - 28 =/>
(factor)
(x^2 + 4)(x-7) = 0
x + 4 = 0 or x - 7 = 0
(subtract -4 from 0 and 7 from 0)
x = -4 or x =7
Answer:
the last one
