Answer:
2. 4a+2c = 5000
4. a + c = 1600
Step-by-step explanation:
I believe the correct answer is B
90 days.
For this question you just need to find the least common multiple of 18 and 30. That can be found by first finding the prime factorization of each number. 18 = 2 * 3 * 3 and 30 = 2 * 3 * 5. Then you multiply the 2 * 3 * 3 * 5, you ignore the 3 from 30 because 18 has more 3s. The answer is 90.
Answer:
9
Step-by-step explanation:
12-5=7 so...
2+7 = 9
y = 9
