Answer:

2280 Words

Step-by-step explanation:

( The Words Mina can type in an hour x 3(hours) ) + ( The Words Lita can type in an hour x 3(hours) )

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--- Use MDAS, multiply 350 and 450 by 3

( 350 x 3 ) + ( 450 x 3 )

--- Add 1050 and 1230

1050 + 1230

--- Answer

2280

So, the amount of words that Mina and Lita can type is combined in 3 hours is 2280 Words

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#Carry On Learning

Answer:

In solving the problem, you need multiplication(×) and addition(+)

350 × 3 = 1,050

410 × 3 = 1,230

1,050 + 1,230 = 2,280

The total number of words Mina and Lita can type together in 3 hours is 2,280.