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primary 5 | Maths
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Please help me with this question ASAP
Date Posted: 7 years ago
Views: 885
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done
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clear
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super untidy working
Date Posted:
7 years ago
Sorry but can u please do this neater? I can't understand.... And how did u get 272?
68*4=272( the qn say they got an average of 68)
to find Marcus, James and Yahya U have to take the total keychain - Tarun keychain(272-78=194)
Then by drawing model,
James have 1units and Marcus have 2units since James have half of marcus.
For Yahya, it gets a bit difficult, because since yahya have 28 lesser keychain than both james and marcus have,
U can safely assume that Yahya have 3units-28
Thus when u draw out the model for Marcus, James and Yahya , althogether it shld have 6units-28
Thus 6u-28=194
and u can solve for 1u,
6u=194+28=222
1u=222/6=37
So after solving what is 1 unit, you can find how many keychain each of them have
to find Marcus, James and Yahya U have to take the total keychain - Tarun keychain(272-78=194)
Then by drawing model,
James have 1units and Marcus have 2units since James have half of marcus.
For Yahya, it gets a bit difficult, because since yahya have 28 lesser keychain than both james and marcus have,
U can safely assume that Yahya have 3units-28
Thus when u draw out the model for Marcus, James and Yahya , althogether it shld have 6units-28
Thus 6u-28=194
and u can solve for 1u,
6u=194+28=222
1u=222/6=37
So after solving what is 1 unit, you can find how many keychain each of them have
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