Answer:
n+18
Step-by-step explanation:
A number n just means a variable n, and since we are increasing it (or adding to it), by 18, it is n+18
A is aldult tickets
b is child tickets
b = 2/3 a
7a + 12b = 90
7a + 12 x 2/3 a = 90
7a + 8a = 90
15a = 90
a = 6; b = 4
Less workers = more hours
OR the answer might be worded as
More workers = less hours
Answer:
Our eyes are sensitive to all electromagnet waves with a wavelength longer than infrared
Step-by-step explanation:
I hope this helps :) good luck!