Answer:
A.
1.What was the distance he ran
2.Given:0.86 km covered up hill,0.48 km covered on a cemented road
3.Addition
4.0.86+0.48+0.98=N
5.0.86+0.48+0.98=2.32
B.
1.How far did Alvin walk
2.Given:0.30 km for Fred’s house, 0.48 km to Dino’s house and
0.50 km to the school gym
3.Multiplication
4.0.30x0.48x0.50=N
5.0.30x0.48x0.50=0.072
C.
1.How much did he spent for these activities
2.Given:0.78 hour doing push-ups, 0.25 hour taking a shower and
0.12 hour dressing up
3.Multipication
4.0.78x0.25x0.12=N
5.0.78x0.25x0.12=0.0234
D.
1.how many hectare is dedicated for planting avocados?
2.Given:0.82-hectare orchard. If 0.543 hectare is planted with mangoes and the rest are avocados,
3.Addition or Multiplication
4.0.82+0.543=N
or 0.82x0.543=N
5.0.82+0.543=1.363
or 0.82x0.543=0.44526
E.
1.What part of his land is not allotted to the fishpond?
2.Given:0.56 hectare of land. He allotted 0.198 hectare to build a fishpond
3.Addition
4.0.56+0.198=N
5.0.56+0.198=0.758
Step-by-step explanation:
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