Homework Help: ALG 2! plz help urgent!!

Posted by tyneisha on Tuesday, December 18, 2012 at 12:27pm.

1.)Four times a certain number is the same as the number increased by 78. Find the number.

2.)A blue bike is $14 less than a red bike. The sum of their prices is $300. How much is the red bike?

3.)Alex is six years older than his sister, Emma. The sum of their ages is 32. How old is Alex?

4.)Mrs. Computer is 3 times older than her daughter, Mousy. The sum of their ages is 52. How old is Mousy?

5.)Mike is 5 years more than twice as old as Tom. The sum of their ages is 65. How old is Mike?

ALG 2! plz help urgent!! - Ms. Sue, Tuesday, December 18, 2012 at 12:30pm
1)
4n = n + 78
3n = 78
n = 78/3
n = 26

I'll be glad to check your answers for the other problems.

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