Hal spent 3/4 hour reading each day for 7 days. how much total time did he spend reading?
me, has to be in by friday

It’s 315 hours because 60 divided by 4 equals 15 then multiply 15 and 3 equals 45 then multiply 45 and 7

the law of definite proportions states samples of a compound will always contain the same proportion of elements by mass. in other words, a given compound will always contain the same elements in the same proportions by mass.the law of multiple proportions states when two elements combine with each other to form more than one compound, then the weights of one element that combine with a fixed weight of the other are in a ratio of small whole numbers.