book Maths Puzzle Numerical Ability

Goodevening, could u help me again for these problems, but i try i am not sure a bout its answer.. please help me.

Number 1 and 2 based on the information
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Brandon pays $4.95 a month for a long distance telephone service that offers a flat rate on 7 cents per minute. One month his total long distance bill was $10.69. How many minutes of long distance telephone calls were made that month? 5x+1=3x-3