A two-digit number is such that
the product, 8 the digit is. When 18
is added to the number, then the
digits are reserud. Find the number.
Answers
Answered by
0
Answer:
24 is the number.
Step-by-step explanation:
2 × 4 = 8
also
24 + 18 = 42.
all conditions are satisfied as given in the question.
Answered by
0
Answer:
Let the units digit be x.
Hence, ten's digit is x8
Hence, the number is 10.x8+x
Now acc. to condition
x80+x+18=10x+x8
80+x2+18x=10x2+8
9x2−18x−72=0
x2−2x−8=0
x2−4x+2x−8=0
x(x−4)+2(x−4)=0
(x+2)(x−4)=0
x=−2 and x=4
Hence, the ten's digit is 48=2
Hence, the number is 24
Step-by-step explanation:
hope it helped you
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