Question

fill in the blanks so that the four terms are in proportions. a) 91:_::63:9
b) 7:105::_:15
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Answer 1

Answer:

a) 13

b) 1

Step-by-step explanation:

91*9 = 63*13

7*15 = 105*1

Answer 2

Answer:

a)

solution:-91:__: :63:9

91*9: : x*63

x=91*9/63

x=819/63

x=13

so,the answer is 13

b) 7:105: : __:5

solution :-

7*15: : 105*x

x=7*15/105

x=105/105

x=1

so, the answer is q