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Mathematics

Answered

CHALLENGE Sara had some marbles. She got 20 more marbles for her
birthday, and she got 30 marbles at the store. Now Sara has 100 martha
marbles did she have to start?

Answer :

Angeldevil78233go Angeldevil78233go

Answer:

50

Step-by-step explanation:

a + 30 + 20=100

100-30=70

70-20=50

Answer Link

Salonic5039go Salonic5039go

Answer: 50 marbles

Step-by-step explanation: 100-(30+20)=50

Answer Link

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