Since 20 total gallons are needed, the amount of 10% solutions can be x and the amount of 20% solutions can be (20-x) since they add up to 20. In addition, the 17% solution has 20 gallons. Putting this into an equation, we get that 10% is 0.1 (by moving the decimal 2 spots to the left) , 0.2=20%, and 0.17=17%. With that information, we can determine that 10%*x+20%*(20-x)=20*0.17 due to that with 20 gallons of the 27% solution, we need a certain amount of solution. For every gallon, we add 0.17 of the solution, so we have 20*0.17. Similarly, we want that total amount to be represented by the amount of 20% + the amount of 10%.
0.1x+0.2(20-x)=0.1x+4-0.2x=-0.1x+4 using the distributive property
-0.1x+4=20*0.17=3.4. Subtract 4 from both sides to get -0.1x=-0.6, and multiply both sides by -10 (to separate x) to get x=6. Therefore, the amount of 10% solution is 6 gallons and the amount of 20% solution is 20-5=14 gallons
Answer:
72 in 150 seconds.
12/25=0.48
0.48 per second (not full baskets note)
.48x150= 72 baskets
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<h3>Given : </h3>
→ Base = 15 and 10
→ Height = 12
<h3>To Find :</h3>
→ Area of trapezoid
<h3>Solution :</h3>
→ Area of Trapezoid = (a + b)/2 × h
= (15 + 10)/2 × 12
= 150 ft²
∴ The area of Trapezoid is 150 ft²
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Answer:
$6.19
Step-by-step explanation:
We have 3 meals and 1 ice cream at 20.46
Take away the 1 ice cream to get 20.46-1.89=18.57
18.57 is the cost of 3 meals so divide it by 3 to get
18.57/3 = 6.19
Answer:
x = 3, y =2? 5×3 - 2×2
Step-by-step explanation:
im not sure
