3 years ago

4 glue sticks cost 7.76$.what equation would help determine he cost of 13glue sticks

Mathematics

2 answers:

Sergio [31]3 years ago

8 0

Answer:

25.22

Step-by-step explanation:

7.76/4 and then after the unit rate you multipy it by 13

IRINA_888 [86]3 years ago

7 0

Answer:

13 glue sticks cost $25.22

Step-by-step explanation:

We can use ratio's to solve this problem. We put price over number of sticks.

$7.76 x dollars

------------- = ---------------

4 sticks 13 sticks

Using cross products

7.76 * 13 = 4 * x

100.88 =4x

Divide each side by 4

100.88 /4 = 4x/4

$25.22 =x

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