[A true story] A local grocery store ran a promotional game in which they give out game cards with 8 covered spots. Three of the spots (when uncovered!) said "STOP," and the other five spots contained food and money prizes, only two of which matched, for instance STOP, $5, macaroni, STOP, $1, macaroni, $10, STOP. To play the game, you rubbed off the spots in any order you like, revealing what's underneath ("STOP" or a prize). If you uncovered two spots with the same prize before uncovering a "STOP," you won that prize (so there was only one winning prize per card, but, on every card, you could win that prize if you uncovered the spots in the right order). The back of the card said that "based on probability," the odds of any one card winning are 1 in 10. Explain why this is correct.

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step-by-step explanation:

180

step-by-step explanation:

yes because they have the same amount of green and blur marbles.

step-by-step explanation:

the system of inequalities is

step-by-step explanation:

step 1

find the equation of the dashed line

we have the points

(0,0) and (3,1)

the line passes through the origin, so, is a direct variation

find the slope

the equation of the dashed line is

the solution of the inequality a s the shaded area above the dashed line

therefore

the equation of the inequality a is

step 2

find the equation of the solid line

we have the points

(4,0) and (0,4)

find the slope

the equation of the solid line is

the solution of the inequality b s the shaded area below the solid line

therefore

the equation of the inequality b is

step 3

the system of inequalities is