Answer: $48
Step by step:
1. 30 packs times 64 dollars is 1920
2. 1920 divided by 40 packs is 48
because if you pay 64 for 40 packs and your trying to figure out how much for 30 packs you will want to set it up like this:
then you will use fishy method Google fish method in math if this doesn't help
Answer: 9x + 17a
Step-by-step explanation:
2x + 7x + 8a + 9a
2x+7x= 9x
8a+9a= 17a
= 9x +17a
Answer:
the slope is 1
Step-by-step explanation:
you could just leave it as x in the equation
Answer: f(2) = 5
Explanation: If f(x) - 4x - 3, then f(2) = 4(2) - 3 which simplifies to 5.