Final answer:
Eric does not have enough food to make 10 snack bags.
Step-by-step explanation:
Eric has 18 granola bars and 9 apples. To make snack bags with the same number of granola bars and apples, we need to find the greatest common divisor (GCD) of 18 and 9. The GCD of 18 and 9 is 9. So Eric can make 9 snack bags with 9 granola bars and 9 apples.
Since Eric only has enough ingredients for 9 snack bags, he does not have enough food to make 10 snack bags.
Answer: No, Eric does not have enough food to make 10 snack bags.