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Popolare Word Problems >

Aponi and Regina both leave the bookstore at the same time, but in opposite directions. If Aponi travels 7 mph and Regina travels 11 mph, how long until they are 54 miles apart?

Soluzione

A p o ni an d R e g ina b o t h l e a v e t h e b oo k s t ore a t t h e s am e t im e, b u t in o pp os i t e d i rec t i o n s . I f A p o ni t r a v e l s 7 m p h an d R e g ina t r a v e l s 11 m p h, h o w l o n g u n t i l t h ey a re 54 mi l es a p a r t ?

Soluzione

time : 3

Fasi della soluzione

Translate the problem into an equation:

7 x + 11 x = 54

Risolvi per

x, 7 x + 11 x = 54 : x = 3

time : 3

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