While bowling, Doug stood 19 meters away from the pins and rolled his bowling ball down the lane. For 2.4seconds, the ball rolled toward the pins at 7.5meterspersecond. In this time, how far did the ball roll?

פתרון

Whi l e b o wl in g, Do ug s t oo d 19 m e t ers a w a y f ro m t h e p in s an d ro ll e d hi s b o wl in g ba ll d o w n t h e l an e . F or 2.4 seco n d s, t h e ba ll ro ll e d t o w a r d t h e p in s a t 7.5 m e t ers p erseco n d . I n t hi s t im e, h o w f a r d i d t h e ba ll ro ll ?

bal l^{'} s distance : 19

צעדי פתרון

Translate the problem into an equation:

x = 19

x = 19, x

פתור בשביל:

x = 19

bal l^{'} s distance : 19