Answer:
5 miles
Step-by-step explanation:
since she hopped in yards you must mulitiply both numbers 3520 and 5280 by 3 since there are three feet in a yard. then add together then divide the sum by 5280 since a mile is 5280 feet.
3520 X 3 = 10560
5280 X 3 = 15840
10560 + 15840 = 26400
26400/ 5280 = 5
259,200 seconds!!
hope this helps :)
Answer:
x

Step-by-step explanation:
x = the number
3x + 8
4
3x
-4
x

Answer:
64.8
Step-by-step explanation:
Answer:
MRCORRECT has answered the question
Step-by-step explanation:
Base = b
height =h = b+7
Area = 1/2 * b* h
60 = 1/2*b*(b+7)
120 =b2+7b
b2+7b-120=0
(b+15)(b-8) =0
b=-15 and b=8
base cannot be negative
so base =b =8 cm