280+30+20+320+2,300+400+240+260+50+2,600+70+70+30+400+60
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Step-by-step explanation:
280+30+20+320+2,300+400+240+260+50+2,600+70+70+30+400+60=7532
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280 + 30 + 20 + 320 + 2300 + 400 + 240 + 260 + 50 + 2600 + 70 + 70 + 30 + 400 + 60
(280 + 30) + (20 + 320) + (2300 + 400) + (240 + 260) +(50 + 2600) + (70 + 70) + (30 + 400) + 60
(310 + 340) + (2700 + 500) + (2650 + 140) + (430 + 60)
(650 + 3200) + (2790 + 490)
3850 + 3280
7130
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