Answer: 6 full buckets.
Step-by-step explanation:
138(pool)/7.5(a bucket)=18.4
18-12=6 full buckets.
Answer: 4
Step-by-step explanation: Slopes that are perpendicular to each other are opposite reciprocals. So take the opposite of the sign, negative or positive. Then flip the numerator and the denominator. -1/4 goes to +1/4 goes to +4. Hope this helps!
