Question

Curtis has started to bike every day. His goal is to ride 16.5 kilometers each day. He bikes 2/5 of that distance on Monday. He bikes 3.5 fewer kilometers on Tuesday than he did on Monday. How many kilometers did Curtis bike on Monday and Tuesday combined?

a) 6.6 kilometers
b) 9.9 kilometers
c) 10.4 kilometers
d) 11.0 kilometers

Answer 1

Curtis biked a total of 9.7 kilometers on Monday and Tuesday combined, which is computed by taking 2/5 of his daily goal of 16.5 kilometers for Monday and subtracting 3.5 kilometers for Tuesday. None of the given options matches the correct calculation.

Step-by-step explanation:

The student's question involves calculating the total distance Curtis biked on Monday and Tuesday combined. To find this, we follow these steps:

1. Calculate the distance biked on Monday: Curtis aims to bike 16.5 km each day, and if he bikes 2/5 of that on Monday, we multiply 16.5 km by 2/5 to get the distance for Monday.
2. Calculate the distance biked on Tuesday: We're told it's 3.5 km less than Monday, so we subtract 3.5 km from Monday's distance to get Tuesday's distance.
3. Add the distances from Monday and Tuesday together to get the combined total.

Let's do the math:

• Monday: 16.5 km * 2/5 = 6.6 km
• Tuesday: 6.6 km - 3.5 km = 3.1 km
• Combined: 6.6 km + 3.1 km = 9.7 km

The correct answer for the total distance biked on Monday and Tuesday combined is none of the given options, as the calculation results in 9.7 kilometers, which doesn't match any of the options a) 6.6 km, b) 9.9 km, c) 10.4 km, d) 11.0 km.