#1075 · Algebra · Sequences & series
Triangular vs square pile
A triangular pile of shot has the same number of layers as a square pile. The number of shot in the triangular pile exceeds half the number of shot in the square pile by 150. Find the number of shot in the lowest layer of the triangular pile.
H. S. Hall & S. R. Knight, Higher Algebra (1891) · Ch. VI. Harmonical Progression, Examples VI.b, No. 11
Stuck? A gentle nudge
Your answer
Loading the math keyboard…
Type naturally — sqrt, pi, / and ^ become notation. Any equivalent form is accepted. Press Enter to check.
Checked against the answer in H. S. Hall & S. R. Knight, Higher Algebra (1891).