Answer:
145
Explanation:
45 × 2 = 9010 × 2 = 2090 - 20 = 70
70
30 × 3 = 905 × 3 = 1590 - 15 = 75
75
70 + 75 = 145
Answer: 145 minutes ==> 3rd option
2*(45-10)+3*(30-5)=
2*35+3*25=
70+75=145 minutes ==> 3rd option
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