Mathematics, 17.12.2019 03:31 Kadancepiggott7

The sixth-graders at lester's school got to visit either the science museum or the history museum. 21 students picked the science museum and 28 students picked the history museum. what is the ratio of the number of sixth-graders who visited the history museum to the total number of sixth-graders?
a)28: 21
b)42: 28
c)49: 28
d)28: 49

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