42x + 28y......the GCF is 14...so factor out 14
14(3x + 2y) <==
I don’t know if you’ve ever heard of the amazing device known as a calculator but the answer is 1,188
Answer:
x = -1 and y = 2 and z = 1
Step-by-step explanation:
This website can help:
https://www.wolframalpha.com/widgets/view.jsp?id=83d5da9f6682ad1b6002473f314c3b4f
Answer
She used 6/15 litres of oil in January
Explanation
We are given that, in January, she used 3/5 of the amount of oil she used in February.
We are also given that, she used 2/3 litres of oil in February.
Therefore, amount of oil used in January is:
3/5 • 2/3 = 6/15
She used 6/15 litres of oil in January