Question
Some wafers are displayed an equal distance from one another on a table. The distance between the second and the eleventh wafers is 36 cm. The distance between the fourth and the last wafer is 56 cm. How many wafers are there altogether?
4 m

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Some wafers are displayed an equal distance from one another on a table. The distance between the second and the eleventh wafers is 36 cm. The distance between the fourth and the last wafer is 56 cm. How many wafers are there altogether?