I think the answer is 2 and -15. Because 2 times - 15 is -30 and 2 and -15 can be added to -1.
Question 1132387: How many liters of a 10% solution should be mixed with 60L of 25% solution to get 15% solution? = one click in Excel = 120. ANSWER. 120 liters of the 10% solution.
Answer:
There's no Image. I guess you forgot to send.
