".
Find the value of a
(30+20) 4436
0
(9328 30
Answers
Explanation:
Selina solutions
Grade 7
Biology
Mathematics
Physics
Chapters in CONCISE Mathematics - Middle School - 7
Exercises in Decimal Fractions (Decimals)
Question 6
Q6) Find die value of:
(i) 0.5 of Rs. 7.60 + 1.62 of Rs. 30
(ii) 2.3 of 7.3kg + 0.9 of 0.48kg
(iii) 6.25 of 8.4 - 4.7 of 3.24
(iv) 0.98 of 235 - 0.09 of 3.2
Solution
Transcript
Solution 6:
(i) 0.5 of Rs. 7.60 + 1.62 of Rs. 30
= 0.5\times7.60\ +\ 1.62\times30
= Rs. 3.80 + Rs. 48.60
= Rs. 52.40
(ii) 2.3 of 7.3kg + 0.9 of 0.48kg
=
2.3\times7.3\ kg\ +\ 0.9\ \times0.48\ kg
= 16.79 + 0.432
= 17.222
(iii) 6.25 of 8.4 - 4.7 of 3.24
= 6.25\times8.4\ -\ 4.7\times3.24
= = 52.500 - 15.228
= 37.272
(iv) 0.98 of 235 - 0.09 of 3.2
= 0.98\times235-0.09\times3.2
= 230.3 - 0.288
= 230.012
Answer:
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