£1 = € 1.12
£ x = € 336
Create proportions
Cross multiply
Divide
You will eventually find the answer
Proportions

cross multiply
336 = 1.12x
Divide to isolate x

1.12 and 1.12 cancels out
300 = x
£300 = €336
M = miles Marcos drove
c = miles Candice drove
m = 2c
m + c = 66
Plug m=2c into the second equation :
m + c = 66
(2c) + c = 66
3c = 66
Choice A
Answer:The normal resting heart rate for adults over the age of 10 years, including older adults, is between 60 and 100 beats per minute (bpm). Highly trained athletes may have a resting heart rate below 60 bpm, sometimes reaching 40 bpm. The resting heart rate can vary within this normal range.
Step-by-step explanation: