The sum of two numbers is 7.5. Their difference is 5.6. What is the product of the numbers? ( A ) 6.2522 ( B ) 6.2225 ( C ) 6.2252 ( D ) 6.5222
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Answer: Hi mate!!!
The product is 6.2225 option (B)
Step-by-step explanation:
Let two no.'s be "x", "y"
x+y = 7.5
x = 7.5-y ......(i)
x-y = 5.6
7.5-y-y = 5.6 .......( Putting value of x from equation (i) )
7.5-2y = 5.6
7.5 = 5.6+2y
2y = 7.5-5.6
2y = 1.9
y = 0.95 .......(ii)
x+y = 7.5
x+0.95 = 7.5 ..........( Putting value of y from equation (ii) )
x = 7.5-0.95
x = 6.55
Product = 6.55*0.95
= 6.2225
Hence, option (B) is correct.
Hope Helpful.
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