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I need help please!

Sagot :

6.-

2 mi ----------------------- 40min

x -------------------- 25 min

x = (25 x 2)/40

x = 50/40

x = 1.25

he swam 1.25 mi after 25 min

7.-

3feet ----------------------- 2 lb

12 feet ---------------------- x

x = (12 x 2) / 3

x = 24/3

x = 8 lb weight

1 foot --------------------- $5

12feet --------------------- x

x = (12 x 5) / 1

x = $60