Answer:
i think its because it is an odd number im in middle school so im not sure but let me know if this is right
Step-by-step explanation:
You simply substitute and then solve.
Exp, at x=2, 3(2)+y=15, y=15-6=9
so the values, from left to right are;
9, 4, -3, 15, 6, 5, 1
15 cards = 9$
1 card = (9/15)$
12 cards = 9/15 * 12
= 108/15
= 7.2$
Answer:
287 books
Step-by-step explanation
there was already 239 books. when the problem mentoins that Mary ADDS MORE books to the shelf, the operation is addition.
239+48=287
Answer:
w=32
Step-by-step explanation:
w/4 = 8
4/1 * w/4 = 8*4
w=32
