Answer:
50 and 60 mph respectively
Step-by-step explanation:
Step one:
given data
total distance= 450 miles
time take= 9 hours
Required
Tom and Tammy's average speed
Step two:
Tom's average speed= 450/9
= 50 miles per hours
Tammy's average speed= 450/7.5
= 60 miles per hours
Answer:
2a + 8√b
Step-by-step explanation:
√9a² = 3a
√49b = 7√b
and
3a + 7√b - a + √b = 2a + 8√b
Answer:
That would be 175% since in your question or the way you phrased it atleast, 100%=4, so 1 would be 25%, 25% times 3=75 so 175% =4+3=7
Step-by-step explanation:
Answer:
Step-by-step explanation:
