Ask a New Question
Search
Questions and answers by
Andrea B
Questions (12)
3x-4y=9
-3x+4y=12
1 answer
261 views
-3x+5y=1
9x-3y=5
1 answer
240 views
0.05x +0.10y=1.30
x+y=19
1 answer
352 views
d=rt for r
1 answer
211 views
I=Prt for t
1 answer
347 views
On Monday, Archie paid $3.40 for three doughnuts and two coffees. On Tuesday he paid $3.60 for two doughnuts and three coffees.
1 answer
404 views
-5/7x-1=3
1 answer
294 views
y-7-1/3=y-7, 9
2 3
1 answer
253 views
Sam lent her brother some money at 9% simple interest and her sister one-half as much money at 16% interest. If she received a
2 answers
646 views
How many gallons of 5% acid solution should be mixed with 20 galllons of a 10% acid solution to obtain an 8% acid solution
1 answer
2,377 views
Samantha lent her brother some money at 9% simple interest and her sister one-half as much money at 16% interest. If she
2 answers
1,023 views
A frame maker made a large picture using 10 feet of frame molding. If the length of the finished frame was 2 feet more than the
1 answer
1,287 views
