Answer:
Step-by-step explanation:
1/2x - 2/3 × 15 = 30
1/2x - 10 = 30
1/2x = 30 + 10
1/2x = 40
x = 40 × 2
x = 80
hope this helps
plz mark it bas brainliest!!!!!!!!!

Step-by-step explanation:


Multiply Equation no (1) with 2 and Equation no (2) with 7.







Substitute the value of "y" in Equation no (1)







37.5% i believe! i’m not reallt sure if this is correct; but i believe it is. hope this helps!
Since Lori passes 80% of her tests you need to make sure that the randomizing device has 80% of the outcomes<span> assigned to passing and 20% of the </span>outcomes<span> assigned to failing. The correct answer is </span><span>Spin a spinner that is split up into 5 sections, where 4 sections are a success of passing a test. Spin the spinner four times.</span>
Answer:
C
Step-by-step explanation:
Bc i'm smart and i know things