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primary 6 | Maths
| Data Analysis
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Date Posted: 5 years ago
Views: 247
21 rice or 63 flour
this means 1 rice is 3 times of 1 flour
unit cost
r: 3u
f: 1u
total at first: 63u
8 rice + 21 flour + 57.60 = total at first
24u + 21u + 57.60 = 63u
u = 3.20
(a)
one pack of rice costs $9.60
(b)
nos.
r: 1u
f: 6-1u
32 = ux9.60 + (6-u) x 3.20
u = 2
4 packs of flour bought
.
.
.
this means 1 rice is 3 times of 1 flour
unit cost
r: 3u
f: 1u
total at first: 63u
8 rice + 21 flour + 57.60 = total at first
24u + 21u + 57.60 = 63u
u = 3.20
(a)
one pack of rice costs $9.60
(b)
nos.
r: 1u
f: 6-1u
32 = ux9.60 + (6-u) x 3.20
u = 2
4 packs of flour bought
.
.
.
Thank you.
welcome
See 1 Answer
Rice 9.60
Flour 3.20
4 pkts of flour bought
Flour 3.20
4 pkts of flour bought
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