Homework Help: Algebra -- Mrs Sue can you help

Posted by MarKo on Tuesday, November 8, 2011 at 1:19pm.

can youcheck these
write a 2 step equation:
half a dollar minus five dollars equals fifteen dollars:
n/2 -5 = 15

five hours more than one half of an hour equals fifteen hours:
n/2 + 5 = 15

two less than three times the number of feet of fencing required equals twelve feet: 3n -2 = 12

eight less than the quotient of daves gold score and 4 equals negative five
i got: s/4 -8 = -5

three times gails age increased by 2 years equals twelve years
i got: 3n +2 = 12

eight fewer than 4 times the elevation of a city equals negative five
4e - 8 = -5

can you check these? thank you

Algebra -- Ms. Sue can you help - Ms. Sue, Tuesday, November 8, 2011 at 1:42pm
I don't understand your first two problems.

The next is right.

(s/4)- 8 = -5

The last is also right.
Algebra -- Mrs Sue can you help - MarKo, Tuesday, November 8, 2011 at 1:59pm
1)write a 2 step equation:
1) half a dollar minus five dollars equals fifteen dollars:
n/2 -5 = 15
no im not sure on this one

2) five hours more than one half of an hour equals fifteen hours:
n/2 + 5 = 15
so n = 20
20/2 is 10 + 5 = 15

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