She earns 20 dollars as a carpenter and 25 dollars as a blacksmith
b+c=30 hours since she works 30 hours a week
25b+20c=690 since she earns 690 dollar totally and earns 25 dollars an hour as a blacksmith and 20 dollars an hour as a carpenter
lets multiply b+c=30 by -20
-20b-20c=-600
if we substract that from
25b+20c=690
5b=90
b=18 she worked as a blacksmith for 18 hours
Answer:
<h2>-1 2/3</h2>
Step-by-step explanation:
x-6=-4x-11
+x +x
-6=-3x-11
+11 +11
5=-3x
________
-3 -3
x=-1.66 or about -1 2/3
<em>PLEASE MARK BRAINLIEST</em>
For this do 5/8-1/2!! in order to do this, find the common denominator. this one is 16, so do: 10/16-8/16, and simplify!
Answer:
C and E would be your Answer!
3y=2(2+2y); 3y=4+4y; -y=4; y=-4;
