four times four equals sixteen so four
x − G u s y − N i co z − E mma x − 4 = y z = 2 y z = 16 y = 2 z = 2 16 = 8 x = y + 4 = 8 + 4 = 12 G u s s k y d i v e d 12 t im es an d N i co 8 t im es .
Gus has skydived 12 times. We found this by first calculating that Nico has skydived 8 times and then adding 4 to that total, as Gus has skydived 4 more times than Nico.
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