There none nothing can multiplie to -240 and add up to -8
Overdrafting is when you deposit you're money in a bank account so it could either be +75 or -75 both of them might be correct.
6.
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Answer:
60 ml of 40% saline and 90 ml of 15% saline
Step-by-step explanation:
We can call the amount of 40% solution x and the amount of 15% solution y.
x + y = 150 -- (1)
0.40x + 0.15y = 150 * 0.25 -- (2) --- 150 * 0.25 = 37.5
40x + 15y = 3750 (Multiply (2) by 100 to get rid of decimals)
15x + 15y = 2250 -- (3) (Multiply (1) by 15)
25x = 1500 (Subtract (3) from (1)
x = 60
y = 150 - 60 = 90
Answer:
35.56
Step-by-step explanation:
1 in=2.54 cm.
14*2.54=35.56.
