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primary 6 | Maths
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Need help for ques 6 and 7
Date Posted: 4 years ago
Views: 314
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Q6
400x0.6=240 purple
so, red+pink=160
red=4×pink
so,
(4×pink)+pink=160
pink=32
buy x no. of pink,
now total pink=(32+x)
total red+pink=160+x
(32+x)=0.36×(160+x)
solve, x=40
400x0.6=240 purple
so, red+pink=160
red=4×pink
so,
(4×pink)+pink=160
pink=32
buy x no. of pink,
now total pink=(32+x)
total red+pink=160+x
(32+x)=0.36×(160+x)
solve, x=40
Q7
Total number of bags of 2/5kg = T
no. of bags of 6/5kg = T - 250
2/5×T= 6/5×(T-250)
300=4/5T
T=375
Total number of bags of 2/5kg = T
no. of bags of 6/5kg = T - 250
2/5×T= 6/5×(T-250)
300=4/5T
T=375
total flour=375×2/5=150kg
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