Answer:
Answer is 102
Step-by-step explanation:
multiply 21x16=336
18x13=234
336-234=102
Answer:
2 pounds
Step-by-step explanation:
1 pound = 1/2 hour (30 minutes)
x pound(s) = 1 hour (60 minutes)
Equation:
1 pound · (2) = 1/2 hour · (2)
2 = 1 hour
Answer:
Step-by-step explanation:
x= -90 degrees