Respuesta :
Answer: 19 + × / 2
Step-by-step explanation:
Look for the key words:
Rise AND fall of the tide = Addition (19+x)
To show the AVERAGE = Division (Divide it by 2 because there is Monday and Tuesday)
The average difference between the tides for Monday and Tuesday Expression is 1/2×(19 + x)
Average difference Expression = 1/2 ×(19 + x)
Where:
19 represent the Difference between high and low tides on Monday
x represent Difference between high and low tides on Tuesday
Inconclusion The Average difference Expression is 1/2 ×(19 + x)
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