Answer:
$1.50 per card
Step-by-step explanation:
Knowns:
$10 to spends, Wants to buy $7 book and two equal priced cards.
10 = 7 + 2x
Subtract 7 from both sides to find out how much money Dave has after he buys his book.
3 = 2x
Divide each side by 2 to find out how much he cana spend on each card
x = 1.50
i hope this helps!
-TheBusinessMan
The 3rd one because 0.12 is 0.120 0.34 is 0.340 0.695 is 0.695 and 0.9 is 0.900 its all in order
Answer:
the value is a number signifying the result of a calculation or function
EX: f(x) = 6x + 7
x = 4
Answer:
Step-by-step explanation:
No 6 2/7 cant be simplified. 2 cant go into 7. 6 2/7 is the answer. Hope I could help.:)
k(x) = 6x - 12
k(x) = 18
substitute:
6x - 12 = 18 <em> |+12</em>
6x = 30 <em> |:6</em>
<h3>x = 5</h3>
