Lisa is 10 centimeters taller than her friend ian. ian is 14 centimeters taller than jim. every month, their heights increase by 2 centimeters. in 7 months, the sum of ian's and jim's heights will be 170 centimeters more than lisa's height. how tall is ian now?

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.

Idon’t feel like doing the math but you need to do 2.24 divided by 7