Make an equation system based on the problem
<span>Jason and Mara have $74
</span>⇒ j + m = 74
<span> Jason has $6 more than 1/3 as much money as Mara has
</span>⇒ j = (1/3)m + 6
<span>
Then, solve the equation by subtitution
j + m = 74
(1/3)m + 6 + m = 74
(1/3)m + m = 74 - 6
(1/3)m + (3/3)m = 68
(4/3)m = 68
m = 68 </span>÷ 4/3
m = 68 × 3/4
m = 51
Mara has $51
j + m = 74
j + 51 = 74
j = 74 - 51
j = 23
Jason has $23
He has 28 blue marbles 15+12-55=28
Answer:
6747978
Step-by-step explanation:
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Answer:
A
Step-by-step explanation:
The projectile motion of Jenny's dive can be represented by 
where a is acceleration, v_0 is velocity, t is time, and h_0 is initial height.
Jenny's vertical height above the water is represented by 
. 10 is h_0 and is Jenny's initial height.
