Answer:
q=10
Step-by-step explanation:
-10+10q=9q
-10=-q
q=10
Answer: each pen costed him 2 dollars
Explanation: 24 - 10 = 14
14 / 7 = 2 $ per each pen
Answer: I believe it’s 114 boys and 110 girls?
Step-by-step explanation: because you are adding that 4 to the 110 and the girls would stay the same because you never said anything about adding more numbers for the girls.(This confused me because your asking this question (ignore that)
I= Prt
I= 5000*0.05*5
I= $1,250
So she will pay $ 1,250 in interest .
I hope that's help !
-2a + 3b = 9 / x 2;
-4a + 6b = 18;
Then, -4a + 6b = 18
+4a - 2b = 3
__________________(+)
We obtain 4b = 21;
b = 21/4;
-2a + 63/4 = 9;
-8a + 63 = 36;
-8a = - 27;
a = 27/8 ;