Here are the solutions to the problems.
5. Find the product.
- (b) 3161×773×3925
Step 1: Convert mixed numbers to improper fractions.
3161=163×16+1=1649
773=77×7+3=752
Step 2: Multiply the fractions.
1649×752×3925
Step 3: Simplify by canceling common factors.
=749×1652×3925
=7×4×413×4×3×1325
=7×413×3×1325
=4×37×25=12175
\frac{175{12}}
6. Find.
-
(a) 31 of 24}
31×24=324=8
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(b) 43 of 32}
43×32=3×432=3×8=24
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(c) 95 of 45}
95×45=5×945=5×5=25
-
(d) 57 of 100}
57×100=7×5100=7×20=140
-
(e) 115 of 220}
115×220=5×11220=5×20=100
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(f) 23 of 102}
23×102=3×2102=3×51=153
7. Find.
-
(i) 94 of 54 metres
94×54m=4×6m=24 m
-
(ii) 76 of 35 litres
76×35litres=6×5litres=30 litres
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(iii) 41 of an hour
41×60minutes=15 minutes
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(iv) 65 of a year
65×12months=5×2months=10 months
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**(v) 207 of a kilogram