Mary wants to ride the world's tallest roller coaster, Kingda Ka. The minimum height to ride the roller coaster is 140 cm. Mary's brother is 180 cm, Mary is 2/3 the height of her brother. How many more centimeters does Mary need to grow to ride Kingda Ka?
Мэри мехоҳад, ки ба баландтарин ролеткаи ҷаҳон, Кингда Ка, савор шавад. Баландии минималӣ барои савор шудан ба ролетка 140 см мебошад. Брадери Мэри 180 см аст, Мэри 2/3 баландии брадери худ аст. Мэри барои савор шудан ба Кингда Ка чанд сантиметр бештар бояд баланд шавад?
How tall is Mary? ** Being 2/3 of her brother's height, Mary is 180 * 2/3 = <<180*2/3=120>>120 cm.
How many centimeters does Mary need to grow to ride Kingda Ka? ** To reach the minimum height and ride Kingda Ka, Mery needs to grow 140 - 120 = <<140-120=20>>20 cm.
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How tall is Mary? ** Being 2/3 of her brother's height, Mary is 180 * 2/3 = <<180*2/3=120>>120 см.  
How many centimeters does Mary need to grow to ride Kingda Ka? ** To reach the minimum height and ride Kingda Ka, Mery needs to grow 140 - 120 = <<140-120=20>>20 см.  
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