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primary 6 | Maths | Algebra
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Joey lim
Joey Lim

primary 6 chevron_right Maths chevron_right Algebra chevron_right Singapore

Plz help plz

Date Posted: 4 years ago
Views: 327
snell
Snell
4 years ago
avg of 5 nos. = 50
total of 5 nos. = 50x5 = 250

a + 36 + a - 12 + 3a + ??? = 250
??? = 226-5a

(a)
226-5a


(b)
226 - 5a = 101
a = 25


ans = 25

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Andy Tan
Andy Tan's answer
3 answers (A Helpful Person)
1st
Let me try
Joey lim
Joey Lim
4 years ago
Thank you for your help