Alicia can shovel the entire driveway in 30 minutes. If her younger brother Jermaine helps, they can complete the job in 20 minutes. How long would it take Jermaine to shovel the driveway by
himself?

If cheese is $4.40 per kilogram, you should pay .88

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