Question

both a and b vary directly with each other. Given that a=10 and b=14. Which of the pair is not a possible pair of corresponding values of a and b?
a) 25 and 35
b) 35 and 25
c) 35 and 49
d) 35 and 21​

Answer 1

Answer:

d. 35 and 21

Step-by-step explanation:

a is directly proportional to b

so a÷b =constant

therfore a÷b =5÷7 or 7÷5 (constant)

in the alternatives given

a. 25 and 35- 25÷35= 5÷7 (✅)

b) 35 and 25- 35÷25= 7÷5 (✅)

c) 35 and 49- 35÷49= 5÷7 (✅)

d) 35 and 21- 35÷21= 5÷3(❌)

Answer 2

Answer:

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