Step-by-step explanation:
12x+15+69= 180
12x = 96 X =8
x+137 + 50 = 180
x = - 7
80= 20x
x = 4
All i know is that....
1. x=0.7
2. C. 2k+3=5.4
3. x=124.1666667
6. A.
7. D.
Hope this helps!! If you need anything else just ask! :)
Answer:
x=10/14 or 0.714
Step-by-step explanation:
1. (4/5)*(5/7) = (4/5)x
2. 20/35 = 4x/5
3. Cross multiply:
140x=100
x=100/140=10/14
Answer:
4 pens will cost $4.84
Step-by-step explanation:
1.21 times 4 = 4.84
Answer:
z= -1
Step-by-step explanation: