in 5 hours a secretory can address 100 envelopes another secretory can address 100 envelopes in 6 hours how long would it take the secretaries working together to address 300 envelopes

in 5 hours a secretory can address 100 envelopes another secretory can address 100 envelopes in 6 hours how long would it take the secretaries working together to address 300 envelopes

Choose the appropriate forumal. Includ the unit in your answer.

find the domain of the rational expression.

jo and Casey warm up for a track meet by running some laps. jo takes 3 minutes per lap while Casey takes 5 minutes to run the same lap. If Casey started running and jo starts a minute later, how long...

Eight times the reciprocal of a number times 2 times the reciprocal of 9

Maria bought 3 pounds of grapes for $0.90 per pound. How many pounds of oranges costing $1.25 per pound must she purchase so that the total cost for fruit is $1 per pound

One pump can drain a pool in 9 minutes. When a second pump is also used, the pool only takes 4 minutes to drain. How long would it take the second pump to drain the pool if it were the only pump in...

explain solution

Hint: Use the formula v= d/t

a messenger is required to deliver 10 packages per day. each day, the messenger works only for as long as it takes to meet the daily quota of 10 packages. on average the messenger is able to deliver...

I'm confused on what the similarities are between a rational expression and a rational equation.

A wheelchair company determines that the cost of manufacturing them follows the cost equation , where C = Total Cost and x = number of wheelchairs manufactured. a. The 500,000 represents...

Reduce the rational expression to lowest terms. If it is already in lowest terms, enter the expression in the answer box. Also, specify any restrictions on the variable. 40x^2...

how long will it take for the sink to fill with just the hot water faucet open?

Please answer the following 3 questions: 1) Find the value(s) of x for which the rational expression x is undefined, and explain why...

solving applications using rational expressions

A rowing team rowed 90 miles while going with the current in the same amount of time as it took to row 10 miles going against the current. The rate of the current was 4 miles per hour...

x+3 . x2+3x+2 ----------------- 5x+20 x2+5x+6

Use the formula given below, where I is the temperature in Ferinheight and Vis the wind speed in mph and a calculator to determine the windchill when the temperature is 20 Ferinheight with a 25 mph...

(6x^2 -3x+5) /(2x-3)

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