Answer:
D. 21
Step-by-step explanation:
replace 21 for r, 4(21)=84
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Answer:
36 quarters 48 dimes 64 nickels
Step-by-step explanation:
quarter = q
dime = q+12
nickel = 2q-8
$17 = 1,700 cents
(q)25 + (q+12)10 + (2q-8)5 = 1,700
25q +10q+120 +10q-40 =1,700
45q+80 = 1,700
45q = 1620
q= 36
36 QUARTERS x25 = 900cents
48 DIMES x10 = 480 cents
64 NICKELS x 5 = 320 cents
TOTAL 1,700 cents ($17)
9.3 × 107 would be the scientific notation
60%, she asked 10 students and 6 of them had less than 16. 10/6= .6
Answer:
<em>14 miles</em>
Step-by-step explanation:
It's still 14 miles no matter which way you go.