Mathematics, 09.07.2019 00:00, kamraaa

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

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Lisa is 10 cm taller than her friend ian. ian is 14 cm taller than jim. every month, their heights i...