30 students could of been taking both courses and 60 with no course
Answer:
Step-by-step explanation:
1. 4x=7(x-3) Reason: Starting equation
2. 4x=7x-21 Reason: Distributive Property
3. -3x=-21 Reason: Subtracting Combining like terms
4. x=7 Reason: Division
4.27 + 9.91
Round them to the nearest whole number.
4.27 ⇒ 4
9.91 ⇒ 10
Now you can add them up.
4 + 10 = 14