Answer:
D
Step-by-step explanation:
D's equation shows y equals 7.8 times x. 7.8 is the unit rate.
Convert the percentage into a decimal
20% of 50 is 40
7x2.2 is 14.4 then you will need to multiply 3x2.2 then add them up
Answer:
no
Step-by-step explanation:
111 divided by 11 is 10.0909090909
and 88 divided by 8 is 11 so no it`s not proportional.
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➷ Work out the time for Cardiff to Swansea:
time = distance/speed
Substitute in the values:
time = 69/60
Solve:
time = 1.15 hours = 69 minutes
Add together the total time and distance:
72 + 69 = 141
48 + 69 = 117
speed = distance/time
speed = 141/1.95
speed = 72.3 km/h
➶ Hope This Helps You!
➶ Good Luck (:
➶ Have A Great Day ^-^
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