Answer:
-7 is -7 units away from zero. Its opposite is 7 from zero.
Step-by-step explanation: Count from 0 how many digits away it is
If she picks 2/4 in half an hour she must pick 1.5 in an hour (2/4 x 2) so times that by 2 then its 3
14 and the remainder is 3
Answer:
50 Is a multiple of 10 because 5×10 = 50
Step-by-step explanation:
We want to fill in the gap in :
50 Is a(n) ________of 10 because 5×10 = 50
Recall that multiples of a number are obtained by multiplying the number by natural counting numbers.
In this case one multiple of 10 is 50.
The reason is that, we obtain 50 by multiplying 5 by 10 to get;
Therefore the best complete is multiple.
Let the walker’s speed be W, then the biker’s is W+1.5W=2.5W. Difference in speed is 1.5W. Distance=speed times time, so 12.5=1.5W×1.5=2.25W, and W=12.5/2.25=1250/225=50/9=5.56 mph. The biker’s speed is 2.5W=125/9=13.89 mph to 2 Dec places.
(Note: “1.5 times faster than a walker’s speed” could not reasonably mean the biker’s speed=1.5W because this would give W=16.67 mph, which is very fast for a runner, let alone a walker (!), and a biker’s speed of 25mph.)
