Nicole and nancy read a total of 18 books this summer. nancy read 3 more than nicole. how many did nicole read?

Assuming Nicole = x, Nancy = y



Substitute that into


Answer : Nicole read 7.5 books.

Hope this helps. - M

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.