How long does it take a swimmer to cover 20 m in the pool if the swimmer’s speed is 2.5 m/s? helpppp asap i need it fast ill giv
1 answer:
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Start by distributing the to the
.
Multiply and simplify.
Rearrange the terms.
Combine like terms.
Add on both sides.
Divide both sides of the equation by .
Answer:
B
Step-by-step explanation:
since y and x vary directly the equation relating them is
y = kx ← k is the constant of variation
to find k use any ordered pair from the list given
using x = 4 when y = - 2, then
k = =
= - 0.5 → B