asked 39.1k views
3 votes
In a two-digit number, the units digit is six less than three times the tens digit. Four times the units digit minus five times the tens digit equals 11. Find the digits.

asked
User ASP
by
7.5k points

2 Answers

5 votes

Answer:

5=tens 9=units

Explanation:

I think its this

answered
User Karadayi
by
8.0k points
4 votes

Answer:

The tens digit = 5

The units digit = 9

The two digit number is 59

Explanation:

Let the tens digit be represented by x

The units digits be represented by y

In a two-digit number, the units digit is six less than three times the tens digit.

y = 3(x) - 6

y = 3x - 6

Four times the units digit minus five times the tens digit equals 11.

4(y) - 5(x) = 11

4y - 5x = 11

We substitute

4(3x - 6) - 5x = 11

12x - 24 - 5x = 11

Collect like terms

12x - 5x = 11 + 24

7x = 35

x = 35/7

x = 5

y = 3x - 6

y = 3(5) - 6

y = 15 - 6

y = 9

Hence,

The tens digit = 5

The units digit = 9

The two digit number is 59

answered
User Imanpal Singh
by
7.9k points

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