String a is 35 centimeters long. String b is 5 times long as string a. Both are necessary to create a decorative bottle. Find the total length of string needed for 17 identical decorative bottles.

string a is 35 cm.....string b is 5 times as long as string a.....
so string b is 5(35) = 175 cm....both are needed....
175 + 35 = 210 cm for 1 bottle

for 17 bottles...
17 * 210 = 3570 cm <== 3570 cm are needed for 17 bottles

Answer Link

Evadin2019 Evadin2019 · Answer 2 · 2019-10-07T03:23:39+02:00

The total length of string needed to decorate 17 identical decorative bottle is 3570 cm or 35.7 m

Further Explanation

Given:

String A is 35 cm long
String B is 5 x string A

Question

Total length of string needed for 17 identical decorative bottle?

String A = 35

String B = 5 x string A

= 5 x 35

= 175 cm

String B = 175 cm

We need to calculate total string needed for 1 decorative bottle

= String A + String B

= 35 cm + 175 cm

= 210 cm

The total length to decorate one bottle is 210 cm

To decorate 17 identical bottles, it would need:

= 210 x 17

= 3570 cm

Here is to solve the multiplication in standard algorithm method:

21

17 x

147

21 +

357

then adding the zero = 3570

To simplify the multiplication we just do the two digit numbers and then adding the zero later in the answer,

So, the total string needed for 17 identical decorative bottle is 3570 cm or 35.7 m

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