Charlie's Coffee Shop makes a blend that is a mixture of two types of coffee. Type A coffee costs Charlie S4.20 per pound, and type B coffee costs $5.60 per pound. This month, Charlie made 168 pounds of the blend, for a total cost of $838.60. How many pounds of type B coffee did he use?
Number of pounds of type B coffee:
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One shot. if 60% of 10 is 6, then what is 70%? we know it would be seven (since 60% is mathematically 60/100, or 6/10, then 70% is 70/100, or 7/10) but we can check anyway using ratios: 6 : 60% = x : 70%*inverse multiplicationx * 60% = 6 * 70%*divide both sides by 60%x = (6 * 70%) / 60%x = 7and since he has made 6 shots already, he would need just one more to get 7 shots or 70%. if the explanation is too confusing, comment and i will try to