Solve the equation 1/30 + 1/45 = 1/x
where x is the required time
multiply thru by 90x:-
3x + 2x = 90
x = 90 / 5 = 18
answer 18 minutes
Answer: 6.1 and 6.3
Step-by-step explanation: just did it
Answer:
Answer = he made 7,000 in July and sold 10 cars in august.
Step-by-step explanation: