Answer:
19a^5b^2
Step-by-step explanation:
15a+4a=19a
To only make 1/3 of the recipe you would divide all ingredients by 3 or multiply by 1/3, same thing.
Convert 2 1/4 to single fraction first
9/4 * 1/3 = 9/12 = 3/4 cup sugar
9 and 8 are the two numbers.
9 + 8 = 17
9 - 8 = 1
Answer:
8 hours
Step-by-step explanation:
4 + 1.75x ≤ 18, where x = the number of hours
1.75x ≤ 18 - 4
1.75x ≤ 14
x ≤ 14/1.75
x ≤ 8 hours