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Ostrovityanka [42]
3 years ago
8

Marty and Stewart are stuffing envelopes with index cards. They are putting x index cards in each envelope. When they are finish

ed, Marty has 15 envelopes and 4 extra index cards and Stewart has 12 stuffed envelopes and 6 extra index cards. Write an expression in standard form that represents the number of index cards the boys started with.
Mathematics
1 answer:
Yanka [14]3 years ago
4 0

Abac then in the other century there was a lot of killings

Step-by-step explanation:

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