Answer:
7,000
Step-by-step explanation:
The number of actual steps is x.
x + x(.05) = 7350 This is actual steps plus the extra 5% equals the number shown on the tracker.
Pull out x
x (1+.05) = 7350
x (1.05) = 7350 Divide by 1.05
(x (1.05))/1.05 = 7350/1.05
x = 7,000
7 out of 10 were carrying a backpack...and 3 out of 10 were not
that means 7/10 of the total students had backpacks and 3/10 of the total students did not
7/10 * 700 = 4900/10 = 490 had backpacks <==
3/10 * 700 = 2100/10 = 210 did not
Answer:
question one answer ===30
question two ===the number 49836 is divisible by 2,3,6
38000 rounded to two significant figures
