Without calculating, you can immediately see the absolute value sign, which implies that the final result (x) should be positive, not negative.
249 Zeros in the expansion of 1,000
2/3x = 46
2x = 46x3
2x= 138
x=138/2
x= 69
From question,
(140-x)/7+70=120
Or, (140-x)/7=120-70
Or,140-x=50X7
Or, -x=350-140
Or, -x=210
:• x = -210 answers
Answer:
A number less than 4 was rolled 18 times.
The number cube was rolled 50 times. The relative frequency of rolling a number less than 4 is 36%.
