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primary 6 | Maths
| Percentage
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Date Posted: 4 years ago
Views: 266
if bake 20 more b. cookies
(total: 5u)
b. cookies: 2u
c. cookies: 3u
at first
b. cookies: 2u-20
c. cookies: 3u
if bake 33 more c. cookies
b. cookies: 2u-20
c. cookies: 3u+33
3 x (2u-20) = 3u + 33
u = 31
she has 135 cookies
...
(total: 5u)
b. cookies: 2u
c. cookies: 3u
at first
b. cookies: 2u-20
c. cookies: 3u
if bake 33 more c. cookies
b. cookies: 2u-20
c. cookies: 3u+33
3 x (2u-20) = 3u + 33
u = 31
she has 135 cookies
...
See 1 Answer
done
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Hope this helps
Date Posted:
4 years ago
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