12. Find x in the following proportions :
(i) x: 6 = 55: 11
(ii) 18:x = 27: 3
(iii) 7: 14 = 15 : x
Answers
Answered by
3
Step-by-step explanation:
x:6=55:11
by cross multiplication
x×11=55×6
11x=330
X=330/11
X=30
Answered by
1
Answer:
(i) x=30
(ii) x=2
(iii) x= 30
Step-by-step explanation:
(i) (55×6)÷ 11
(330)÷11
=30
(ii) (18×3)÷27
(54)÷27
=2
(iii) (14×15)÷7
(210)÷7
=30
Similar questions