Mathematics, 05.02.2020 13:03 Osmin

Ihave been at this for an hour

jason can paint a room in 6 hours. lorissa can paint a room in only 3 hours.

which of the following can be used to determine the amount of time it would take for jason and lorissa to paint a room together?

1 over 6 plus 1 over 3 equals 1 over x
1 over 6 plus 1 over x equals 1 over 3
1 over x plus 1 over 3 equals 1 over 6
1 over 3 plus 1 over 6 equals x over 9

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Ihave been at this for an hour

jason can paint a room in 6 hours. lorissa can paint a...