Round Monday’s distance to 4 km.
Round Tuesday’s distance to 5 km.
Round Wednesday’s distance to 6 km.
Andrea’s sum is 4 km + 5 km + 6 km = 15 km.
Since Andrea’s sum is 15 km and the rounded sum is 14 km, her sum is not reasonable.
Andrea totaled the distance she ran on Monday, Tuesday, and Wednesday. Her sum is 14.225.
A 2-column table with 3 rows titled Total distance Andrea Ran (kilometers). Column 1 has entries Monday, Tuesday, Wednesday. Column 2 has entries 3.6, 4.705, 5.92.
Rounding to the nearest whole kilometer, determine whether Andrea’s sum is reasonable.
Round Monday’s distance to
.
Round Tuesday’s distance to
.
Round Wednesday’s distance to
.
Was Andrea’s sum reasonable?
1 answer