<span>1. 15 is what percent of 40?
15 * 100 / 40 = 37.5
answer is </span><span>15 is 37.5% of 40
</span><span>
2. 15 is 30% of what number?
15 / 0.3 = 50
answer : </span>15 is 30% of 50<span>
3. What number is 120% of 70?
120% = 1.2
1.2 + 1 = 2.2
2.2 * 70 = 154
answer: 154</span> is 120% of 70?<span>
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Answer:
5-3+2=4
Step-by-step explanation:
5-3=2
2+2=4
Answer:
A
Step-by-step explanation:
Answer:
The quantity of coffee costing $4 a pound in the coffee mixture is 2 pounds.
Step-by-step explanation:
Given: Coffee costing $4 a pound is mixed with 3 pounds of coffee costing 4.50 a pound to obtain a mixture costing $4.30 a pound.
We have to find the quantity of coffee costing $4 a pound in the mixture.
Let x represent the number of pounds of $4 coffee.
Cost of one pound = 4x.
Cost of 3 pounds of coffee costing 4.50 a pound = 3(4.50)
Cost of mixture costing $4.30 a pound = (x+3)(4.30)
According to given problem,

Solving for x, we get,

Rearranging like term together, we get,



Thus, the quantity of coffee costing $4 a pound in the coffee mixture is 2 pounds.
Answer:
28/4=28/7
Step-by-step explanation:
when you divide 28 by 4 you get seven so if you use 7 instead of 4 to divide it's an equal value.
Sorry if it's incorrect, there wasn't a whole lot to go by! Good luck tho! :D