<span>The answer is 167 milliliters of 7% solution and 333 milliliters of 4% solution x + y = 500 x = 500 - y 0.07x + 0.04y = 25 (substitute 500 - y for x) 0.07(500 - y) + 0.04y = 25 35 - 0.07y + 0.04y = 25 -0.03y + 35 = 25 -0.03y = -10 y = 333.333... y [ = about 333 x = 500 - y = 500 - 333 = 167 hope it helps </span>
Let the number be x.
2x-3=55
2x=55-3
2x=52
x=52/2
x=26
Answer:
12
Step-by-step explanation:
72 divided by 6 equals 12
90% = 90/100 which simplifies to 9/10
Answer:
1.75 p
Step-by-step explanation:
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