When 40 is added to the number of miles Karen ran last week, the result is the same as adding 10 to 4 times the number of miles she ran last week.

How many miles did Karen run last week?

Question

When 40 is added to the number of miles Karen ran last week, the result is the same as adding 10 to 4 times the number of miles she ran last week.
 
How many miles did Karen run last week?

directrix · Answer

@cherry17ann    Do you still want to do this problem?

cherry17ann · Answer

Sure! @directrix I got it wrong anyways

directrix · Answer

Okay.

Let M = the number of miles Karen ran last week

directrix · Answer

Translate this to symbols: 40 is added to the number of miles Karen ran last week

40 + M

directrix · Answer

Translate this to symbols:   adding 10 to 4 times the number of miles she ran last week.

10 + 4*M

directrix · Answer

That gives the equation:

40 + M = 10 + 4M

M = ?     @cherry17ann   Solve for M. Post what you get, okay?

cherry17ann · Answer

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