WILL MARK BRAINLIEST!!

x=10

Step-by-step explanation:

=

Solve by cross multiplying

13×3=39

3(x+3)=3x+9

3x+9=39

3x=30

x=10

x=10

Step-by-step explanation:

Assuming that the triangles are similar to each other, you can set up ratios

since 3/3 is 1 and we know that anything other than 0 over itself is 1, we can deduce that x=10

for a it would be 24 children.

for b i don't understand the question. is it saying for each individual person they pick 5 reds to 7 greens or is it the whole group. clarify and i hope this can you.

step-by-step explanation:

answer: 10 turtles

step-by-step explanation: as turtles have four legs so 4.10=40 therefore birds are 4 which sue counted