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Remba
15.10.2020 •
Mathematics
Grace, Jessica and Mia went out to dinner after the Volleyball game. Jessica bought two tacos, a coke and a mango smoothie and spent $14.74. Grace bought Mia's dinner. She bought 5 tacos, 2 cokes and 1 mango smoothie and spent $29.05. The mango smoothie cost three times as much as the coke. Determine the price of each item. Answer in a complete sentence.
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Ответ:
A mango costs $4.68, a coke costs $1.56 and a taco costs $4.25
Step-by-step explanation:
Given
Represent Tacos with T, Coke with C and Mango with M
For Grace:
For Mia:
Required
Determine the cost of each item
Substitute 3C for M in (1) & (2)
Divide through (5) by 5
Solve for C
Substitute 5.81 - T for C in (4)
Collect Like Terms
Solve for T
Recall that:
Recall that
Hence:
A mango costs $4.68, a coke costs $1.56 and a taco costs $4.25
Ответ:
Reason: Given
2) Statement : Angle 2 and angle 3 are congruent.
Reason: Vertically Opposite Angles are always congruent.
3) Statement: If angle 2 is congruent to angle 3 and and angle 2 is supplementary to angle 5, then angle 3 is supplementary to angle 5.
Reason: Substitution Property
4) Statement: Line l is parallel to line m.
Reason: Converse of the the Same-Side Interior Angles Theorem (If two lines are cut by a transversal and the consecutive interior angles are supplementary, then the lines are parallel.)