Como se escribe en números la siguiente cantidad veintitres unidades con siete décimas

Can someone answer it, and plot it, for 20 points and brainliest answer? p. s. they're the same ! : )

Which statement is true about a number and its additive inverse? a. their product is always one. b. their sum is always one. c. they are always reciprocals of each other. d. their sum is always zero.

Olivia is using 160 quilt squares to make a red, yellow, and blue quilt if 25% of the quilt are red and 30% are yellow how many quilt squares are blue