How many copies of 1 tenth are equivalent to 4 fifths?

The verbal translation for the difference of m and 7 increased by 15

Scores on the cognitive scale of the bayley-scales of infant and toddler development range from 1 to 19, with a standard deviation of 3. calculate the margin of error in estimating the true mean cognitive scale score, with 99% confidence, if there are 12 infants and toddlers in a sample.

There are 93 calories in a small candy bar how many calories are ther in a half dozen small candy bars?