Hmmm... try subtracting or multiplying the other numbers??
5•6 = 30.
She needs to buy 30 flowers from the store.
I’m pretty sure it’s true. :)
In your question which ask for the how its possible for the two triangles to intersect in one, two, three, four, five, six points but not seven points. Its because the triangles has only 3 sides which means that the intersection that could from in the two is less than 7 or maximum of 6