Mary and mia are assembling floor lamps. mary can assemble 10 lamps per hour. mia can complete 12 lamps per hour. together, they assemble 600 lamps. let x = hours worked by mia and y = hours worked by mary. if mia works for 25 hours, how many hours did mary work?

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1010: 3030

is it i think

the number of possible outcomes that do not show a 1 on the first spinner and show the number 4 on the second spinner is 2.

spinner 1 spinner 2

1                     1

1                     2

1                     3

1                     4

2                   1

2                   2

2                   3

2                   4   = not 1, and 4

3                   1

3                   2

3                   3

3                   4 = not 1, and 4

only 2 outcomes have passed the given condition.

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