Yxcas's answer to Nick's Secondary 1 Maths Singapore question.
done
{{ upvoteCount }} Upvotes
clear
{{ downvoteCount * -1 }} Downvotes
Part a is correct.
Part b
Let the number of new female staff be x.
(35% x 1480) + x / (1480 + x) = 37.25%
518 + x = 37.25% x (1480 + x)
518 + x = 551.3 + 0.3725x
0.6275x = 33.3
x = 53 (rounded to nearest whole numbers)
Part b
Let the number of new female staff be x.
(35% x 1480) + x / (1480 + x) = 37.25%
518 + x = 37.25% x (1480 + x)
518 + x = 551.3 + 0.3725x
0.6275x = 33.3
x = 53 (rounded to nearest whole numbers)
Date Posted:
4 months ago
360 Tutoring Program