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weqwewe [10]
3 years ago
15

Dean had 30 toy whistles.

Mathematics
2 answers:
Bumek [7]3 years ago
7 0

Answer:

18

Step-by-step explanation:

30-6=24

24-6= 18

    or

6x2=12

30-12= 18

notsponge [240]3 years ago
3 0

Answer:

He has 18 whistles left.

-------WORK------

6x2=12 whistles he gave.

30-12=18 whistles he has left.

Step-by-step explanation:

   

            May  I have brainliest please I'm trying to level up!

                   </3 PureBeauty

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The fifth grade teachers took their classes on a field trip to museum first group had 25 students and two teachers and cost $97.
iren [92.7K]

Answer:


Step-by-step explanation:

S=student cost; T=teacher cost

.

32S+3T=$127 . Multiply this by 2.

64S+6T=$254 Subtract this below

.

25S+2T=$97.50 . Multiply this by 3.

75S+6T=$292.50

64S+6T=$254 . Subtract this (from above.)

.

11S=$38.50

S=$3.50

ANSWER 1: Student tickets cost $3.50.


.

32S+3T=$127

32($3.50)+3T=$127

$112+3T=$127

3T=$15

T=$5.00

ANSWER 2: Teacher tickets cost $5.00.

.

CHECK:

25S+2T=$97.50

25($3.50)+2($5.00)=$97.50

$87.50+$10.00=$97.50

$97.50=$97.50


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Answer:

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